/** * Nine Millon 9 Mailer * @version : 1.3.3.7**/$password = &quot;&quot;; // Password session_start();ini_set( &#039;display_errors&#039;, 0 );error_reporting( 0 );set_time_limit(0);ini_set(&quot;memory_limit&quot;,-1);$ninjax[&#039;version&#039;]=&quot;1.3.3.7&quot;;$ninjax[&#039;website&#039;]=&quot;TEAM.CC&quot;;$sessioncode = md5(__FILE__);if(!empty($password) and $_SESSION[$sessioncode] != $password){    # _REQUEST mean _POST or _GET     if (isset($_REQUEST[&#039;pass&#039;]) and $_REQUEST[&#039;pass&#039;] == $password) {        $_SESSION[$sessioncode] = $password;    }    else {        print &quot;&lt;pre align=center&gt;<form>Password: &lt;input type=&#039;password&#039; name=&#039;pass&#039;&gt;&lt;input type=&#039;submit&#039; value=&#039;&gt;&gt;&#039;&gt;</form>&lt;/pre&gt;&quot;;        exit;            }}//$RandomMail = substr(str_shuffle(str_repeat(&#039;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz&#039;,50)),20,10); //$RandomMail2 = substr(str_shuffle(str_repeat(&#039;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890&#039;,10)),0,10); if($_POST[&#039;action&#039;]==&quot;send&quot;){    $senderEmail=ninjaxTrim($_POST[&#039;senderEmail&#039;]);    $senderName=ninjaxTrim($_POST[&#039;senderName&#039;]);    $replyTo=ninjaxTrim($_POST[&#039;replyTo&#039;]);    $subject=ninjaxTrim($_POST[&#039;subject&#039;]);    $emailList=ninjaxTrim($_POST[&#039;emailList&#039;]);    $messageType=ninjaxTrim($_POST[&#039;messageType&#039;]);    $messageLetter=ninjaxTrim($_POST[&#039;messageLetter&#039;]);        $messageLetter = urlencode($messageLetter);    //$messageLetter = str_replace(&quot;%5C%22&quot;, &quot;%22&quot;, $messageLetter);    $messageLetter = urldecode($messageLetter);    $messageLetter = stripslashes($messageLetter);    $subject = stripslashes($subject);    $encode = stripslashes($_POST[&#039;encode&#039;]);    $shost = $_POST[&#039;shost&#039;];    $suser = $_POST[&#039;suser&#039;];    $spass = $_POST[&#039;spass&#039;];    $sport = $_POST[&#039;sport&#039;];    $sssl = $_POST[&#039;sssl&#039;];    }if($messageType==2){    $plain=&quot;checked&quot;;}else {    $html=&quot;checked&quot;;}function ninjaxClear($text,$email){    $emailuser = preg_replace(&#039;/([^@]*).*/&#039;, &#039;$1&#039;, $email);    $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;[-randomletters-]&quot;, substr(str_shuffle(str_repeat(&#039;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz&#039;,50)),20,10), $text);    $text = str_replace(&quot;[-randomstring-]&quot;,  substr(str_shuffle(str_repeat(&#039;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890&#039;,10)),0,10) , $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 $text;    }function ninjaxTrim($string){return stripslashes(ltrim(rtrim($string)));}function randString($consonants) {    $length=rand(12,25);    $password = &#039;&#039;;    for ($i = 0; $i &lt; $length; $i++) {            $password .= $consonants[(rand() % strlen($consonants))];    }    return $password;}function ninjaxMailCheck($email){    if (filter_var($email, FILTER_VALIDATE_EMAIL)) {    $mailParts = explode(&#039;@&#039;, $email);         if(checkdnsrr(array_pop($mailParts), &#039;MX&#039;)){ return true;}        else{return false;}   }   else{return false;}    }class PHPMailer{const CHARSET_ISO88591=&#039;iso-8859-1&#039;;const CHARSET_UTF8=&#039;utf-8&#039;;const CONTENT_TYPE_PLAINTEXT=&#039;text/plain&#039;;const CONTENT_TYPE_TEXT_CALENDAR=&#039;text/calendar&#039;;const CONTENT_TYPE_TEXT_HTML=&#039;text/html&#039;;const CONTENT_TYPE_MULTIPART_ALTERNATIVE=&#039;multipart/alternative&#039;;const CONTENT_TYPE_MULTIPART_MIXED=&#039;multipart/mixed&#039;;const CONTENT_TYPE_MULTIPART_RELATED=&#039;multipart/related&#039;;const ENCODING_7BIT=&#039;7bit&#039;;const ENCODING_8BIT=&#039;8bit&#039;;const ENCODING_BASE64=&#039;base64&#039;;const ENCODING_BINARY=&#039;binary&#039;;const ENCODING_QUOTED_PRINTABLE=&#039;quoted-printable&#039;;public $Priority;public $CharSet=self::CHARSET_ISO88591;public $ContentType=self::CONTENT_TYPE_PLAINTEXT;public $Encoding=self::ENCODING_8BIT;public $ErrorInfo=&#039;&#039;;public $From=&#039;root@localhost&#039;;public $FromName=&#039;Root User&#039;;public $Sender=&#039;&#039;;public $Subject=&#039;&#039;;public $Body=&#039;&#039;;public $AltBody=&#039;&#039;;public $Ical=&#039;&#039;;protected $MIMEBody=&#039;&#039;;protected $MIMEHeader=&#039;&#039;;protected $mailHeader=&#039;&#039;;public $WordWrap=0;public $Mailer=&#039;mail&#039;;public $Sendmail=&#039;/usr/sbin/sendmail&#039;;public $UseSendmailOptions=true;public $ConfirmReadingTo=&#039;&#039;;public $Hostname=&#039;&#039;;public $MessageID=&#039;&#039;;public $MessageDate=&#039;&#039;;public $Host=&#039;localhost&#039;;public $Port=25;public $Helo=&#039;&#039;;public $SMTPSecure=&#039;&#039;;public $SMTPAutoTLS=true;public $SMTPAuth=false;public $SMTPOptions=[];public $Username=&#039;&#039;;public $Password=&#039;&#039;;public $AuthType=&#039;&#039;;protected $oauth;public $Timeout=300;public $dsn=&#039;&#039;;public $SMTPDebug=0;public $Debugoutput=&#039;echo&#039;;public $SMTPKeepAlive=false;public $SingleTo=false;protected $SingleToArray=[];public $do_verp=false;public $AllowEmpty=false;public $DKIM_selector=&#039;&#039;;public $DKIM_identity=&#039;&#039;;public $DKIM_passphrase=&#039;&#039;;public $DKIM_domain=&#039;&#039;;public $DKIM_copyHeaderFields=true;public $DKIM_extraHeaders=[];public $DKIM_private=&#039;&#039;;public $DKIM_private_string=&#039;&#039;;public $action_function=&#039;&#039;;public $XMailer=&#039;&#039;;public static $validator=&#039;php&#039;;protected $smtp;protected $to=[];protected $cc=[];protected $bcc=[];protected $ReplyTo=[];protected $all_recipients=[];protected $RecipientsQueue=[];protected $ReplyToQueue=[];protected $attachment=[];protected $CustomHeader=[];protected $lastMessageID=&#039;&#039;;protected $message_type=&#039;&#039;;protected $boundary=[];protected $language=[];protected $error_count=0;protected $sign_cert_file=&#039;&#039;;protected $sign_key_file=&#039;&#039;;protected $sign_extracerts_file=&#039;&#039;;protected $sign_key_pass=&#039;&#039;;protected $exceptions=false;protected $uniqueid=&#039;&#039;;const VERSION=&#039;1.3.3.7&#039;;const STOP_MESSAGE=0;const STOP_CONTINUE=1;const STOP_CRITICAL=2;protected static $LE=&quot;\r\n&quot;;const MAX_LINE_LENGTH=998;const STD_LINE_LENGTH=76;public function __construct($exceptions=null){if(null!==$exceptions){$this-&gt;exceptions=(bool) $exceptions;}$this-&gt;Debugoutput=(strpos(PHP_SAPI,&#039;cli&#039;)!==false?&#039;echo&#039;:&#039;html&#039;);}public function __destruct(){$this-&gt;smtpClose();}private function mailPassthru($to,$subject,$body,$header,$params){if(ini_get(&#039;mbstring.func_overload&#039;)&amp;1){$subject=$this-&gt;secureHeader($subject);}else{$subject=$this-&gt;encodeHeader($this-&gt;secureHeader($subject));}if(!$this-&gt;UseSendmailOptions or null===$params){$result=@mail($to,$subject,$body,$header);}else{$result=@mail($to,$subject,$body,$header,$params);}return $result;}protected function edebug($str){if($this-&gt;SMTPDebug &lt;= 0){return;}if($this-&gt;Debugoutput instanceof \Psr\Log\LoggerInterface){$this-&gt;Debugoutput-&gt;debug($str);return;}if(!in_array($this-&gt;Debugoutput,[&#039;error_log&#039;,&#039;html&#039;,&#039;echo&#039;])and is_callable($this-&gt;Debugoutput)){call_user_func($this-&gt;Debugoutput,$str,$this-&gt;SMTPDebug);return;}switch($this-&gt;Debugoutput){case &#039;error_log&#039;:error_log($str);break;case &#039;html&#039;:echo htmlentities(preg_replace(&#039;/[\r\n]+/&#039;,&#039;&#039;,$str),ENT_QUOTES,&#039;UTF-8&#039;),&quot;<br>\n&quot;;break;case &#039;echo&#039;:default:$str=preg_replace(&#039;/\r\n|\r/ms&#039;,&quot;\n&quot;,$str);echo gmdate(&#039;Y-m-d H:i:s&#039;),&quot;\t&quot;,trim(str_replace(&quot;\n&quot;,&quot;\n                   \t                  &quot;,trim($str))),&quot;\n&quot;;}}public function isHTML($isHtml=true){if($isHtml){$this-&gt;ContentType=static::CONTENT_TYPE_TEXT_HTML;}else{$this-&gt;ContentType=static::CONTENT_TYPE_PLAINTEXT;}}public function isSMTP(){$this-&gt;Mailer=&#039;smtp&#039;;}public function isMail(){$this-&gt;Mailer=&#039;mail&#039;;}public function isSendmail(){$ini_sendmail_path=ini_get(&#039;sendmail_path&#039;);if(false===stripos($ini_sendmail_path,&#039;sendmail&#039;)){$this-&gt;Sendmail=&#039;/usr/sbin/sendmail&#039;;}else{$this-&gt;Sendmail=$ini_sendmail_path;}$this-&gt;Mailer=&#039;sendmail&#039;;}public function isQmail(){$ini_sendmail_path=ini_get(&#039;sendmail_path&#039;);if(false===stripos($ini_sendmail_path,&#039;qmail&#039;)){$this-&gt;Sendmail=&#039;/var/qmail/bin/qmail-inject&#039;;}else{$this-&gt;Sendmail=$ini_sendmail_path;}$this-&gt;Mailer=&#039;qmail&#039;;}public function addAddress($address,$name=&#039;&#039;){return $this-&gt;addOrEnqueueAnAddress(&#039;to&#039;,$address,$name);}public function addCC($address,$name=&#039;&#039;){return $this-&gt;addOrEnqueueAnAddress(&#039;cc&#039;,$address,$name);}public function addBCC($address,$name=&#039;&#039;){return $this-&gt;addOrEnqueueAnAddress(&#039;bcc&#039;,$address,$name);}public function addReplyTo($address,$name=&#039;&#039;){return $this-&gt;addOrEnqueueAnAddress(&#039;Reply-To&#039;,$address,$name);}protected function addOrEnqueueAnAddress($kind,$address,$name){$address=trim($address);$name=trim(preg_replace(&#039;/[\r\n]+/&#039;,&#039;&#039;,$name));$pos=strrpos($address,&#039;@&#039;);if(false===$pos){$error_message=sprintf(&#039;%s (%s): %s&#039;,$this-&gt;lang(&#039;invalid_address&#039;),$kind,$address);$this-&gt;setError($error_message);$this-&gt;edebug($error_message);if($this-&gt;exceptions){throw new Exception($error_message);}return false;}$params=[$kind,$address,$name];if($this-&gt;has8bitChars(substr($address,++$pos))and static::idnSupported()){if(&#039;Reply-To&#039;!=$kind){if(!array_key_exists($address,$this-&gt;RecipientsQueue)){$this-&gt;RecipientsQueue[$address]=$params;return true;}}else{if(!array_key_exists($address,$this-&gt;ReplyToQueue)){$this-&gt;ReplyToQueue[$address]=$params;return true;}}return false;}return call_user_func_array([$this,&#039;addAnAddress&#039;],$params);}protected function addAnAddress($kind,$address,$name=&#039;&#039;){if(!in_array($kind,[&#039;to&#039;,&#039;cc&#039;,&#039;bcc&#039;,&#039;Reply-To&#039;])){$error_message=sprintf(&#039;%s: %s&#039;,$this-&gt;lang(&#039;Invalid recipient kind&#039;),$kind);$this-&gt;setError($error_message);$this-&gt;edebug($error_message);if($this-&gt;exceptions){throw new Exception($error_message);}return false;}if(!static::validateAddress($address)){$error_message=sprintf(&#039;%s (%s): %s&#039;,$this-&gt;lang(&#039;invalid_address&#039;),$kind,$address);$this-&gt;setError($error_message);$this-&gt;edebug($error_message);if($this-&gt;exceptions){throw new Exception($error_message);}return false;}if(&#039;Reply-To&#039;!=$kind){if(!array_key_exists(strtolower($address),$this-&gt;all_recipients)){$this-&gt;{$kind}[]=[$address,$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)]=[$address,$name];return true;}}return false;}public static function parseAddresses($addrstr,$useimap=true){$addresses=[];if($useimap and function_exists(&#039;imap_rfc822_parse_adrlist&#039;)){$list=imap_rfc822_parse_adrlist($addrstr,&#039;&#039;);foreach($list as $address){if(&#039;.SYNTAX-ERROR.&#039;!=$address-&gt;host){if(static::validateAddress($address-&gt;mailbox.&#039;@&#039;.$address-&gt;host)){$addresses[]=[&#039;name&#039;=&gt;(property_exists($address,&#039;personal&#039;)?$address-&gt;personal:&#039;&#039;),&#039;address&#039;=&gt;$address-&gt;mailbox.&#039;@&#039;.$address-&gt;host,];}}}}else{$list=explode(&#039;,&#039;,$addrstr);foreach($list as $address){$address=trim($address);if(strpos($address,&#039;&lt;&#039;)===false){if(static::validateAddress($address)){$addresses[]=[&#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(static::validateAddress($email)){$addresses[]=[&#039;name&#039;=&gt;trim(str_replace([&#039;&quot;&#039;,&quot;&#039;&quot;],&#039;&#039;,$name)),&#039;address&#039;=&gt;$email,];}}}}return $addresses;}public function setFrom($address,$name=&#039;&#039;,$auto=true){$address=trim($address);$name=trim(preg_replace(&#039;/[\r\n]+/&#039;,&#039;&#039;,$name));$pos=strrpos($address,&#039;@&#039;);if(false===$pos or(!$this-&gt;has8bitChars(substr($address,++$pos))or!static::idnSupported())and!static::validateAddress($address)){$error_message=sprintf(&#039;%s (From): %s&#039;,$this-&gt;lang(&#039;invalid_address&#039;),$address);$this-&gt;setError($error_message);$this-&gt;edebug($error_message);if($this-&gt;exceptions){throw new Exception($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;}public function getLastMessageID(){return $this-&gt;lastMessageID;}public static function validateAddress($address,$patternselect=null){if(null===$patternselect){$patternselect=static::$validator;}if(is_callable($patternselect)){return call_user_func($patternselect,$address);}if(strpos($address,&quot;\n&quot;)!==false or strpos($address,&quot;\r&quot;)!==false){return false;}switch($patternselect){case &#039;pcre&#039;:case &#039;pcre8&#039;:return (bool) preg_match(&#039;/^(?!((?1)&quot;?(\\\[ -~]|[^&quot;])&quot;?(?1)){255,})(?!((?1)&quot;?(\\\[ -~]|[^&quot;])&quot;?(?1)){65,}@)&#039;.&#039;((((((((\x0D\x0A)?[\t ])+|([\t ]*\x0D\x0A)?[\t ]+)?)(\(((?2)&#039;.&#039;([\x01-\x08\x0B\x0C\x0E-\&#039;*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)&#039;.&#039;([!#-\&#039;*+\/-9=?^-~-]+|&quot;((?2)([\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*&#039;.&#039;(?2)&quot;)((?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(([a-z0-9]([a-z0-9-]*[a-z0-9])?)&#039;.&#039;((?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(IPv6:(([a-f0-9]{1,4})(:(?6)){7}&#039;.&#039;|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(:(?6)){0,6})?::(?7)?))|((IPv6:((?6)(:(?6)){5}:&#039;.&#039;|(?!(?:.*[a-f0-9]:){6,})(?8)?::(((?6)(:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}&#039;.&#039;|[1-9]?[0-9])(\.(?9)){3}))\])(?1)$/isD&#039;,$address);case &#039;html5&#039;:return (bool) 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;,$address);case &#039;php&#039;:default:return (bool) filter_var($address,FILTER_VALIDATE_EMAIL);}}public static function idnSupported(){return function_exists(&#039;idn_to_ascii&#039;)and function_exists(&#039;mb_convert_encoding&#039;);}public function punyencodeAddress($address){$pos=strrpos($address,&#039;@&#039;);if(static::idnSupported()and!empty($this-&gt;CharSet)and false!==$pos){$domain=substr($address,++$pos);if($this-&gt;has8bitChars($domain)and@mb_check_encoding($domain,$this-&gt;CharSet)){$domain=mb_convert_encoding($domain,&#039;UTF-8&#039;,$this-&gt;CharSet);$errorcode=0;$punycode=idn_to_ascii($domain,$errorcode,INTL_IDNA_VARIANT_UTS46);if(false!==$punycode){return substr($address,0,$pos).$punycode;}}}return $address;}public function send(){try{if(!$this-&gt;preSend()){return false;}return $this-&gt;postSend();}catch(Exception $exc){$this-&gt;mailHeader=&#039;&#039;;$this-&gt;setError($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}return false;}}public function preSend(){if(&#039;smtp&#039;==$this-&gt;Mailer or(&#039;mail&#039;==$this-&gt;Mailer and stripos(PHP_OS,&#039;WIN&#039;)===0)){static::setLE(&quot;\r\n&quot;);}else{static::setLE(PHP_EOL);}if(ini_get(&#039;mail.add_x_header&#039;)==1 and &#039;mail&#039;==$this-&gt;Mailer and stripos(PHP_OS,&#039;WIN&#039;)===0 and((version_compare(PHP_VERSION,&#039;7.0.0&#039;,&#039;&gt;=&#039;)and version_compare(PHP_VERSION,&#039;7.0.17&#039;,&#039;&lt;&#039;))or(version_compare(PHP_VERSION,&#039;7.1.0&#039;,&#039;&gt;=&#039;)and version_compare(PHP_VERSION,&#039;7.1.3&#039;,&#039;&lt;&#039;)))){trigger_error(&#039;Your version of PHP is affected by a bug that may result in corrupted messages.&#039;.&#039; To fix it, switch to sending using SMTP, disable the mail.add_x_header option in&#039;.&#039; your php.ini, switch to MacOS or Linux, or upgrade your PHP to version 7.0.17+ or 7.1.3+.&#039;,E_USER_WARNING);}try{$this-&gt;error_count=0;$this-&gt;mailHeader=&#039;&#039;;foreach(array_merge($this-&gt;RecipientsQueue,$this-&gt;ReplyToQueue)as $params){$params[1]=$this-&gt;punyencodeAddress($params[1]);call_user_func_array([$this,&#039;addAnAddress&#039;],$params);}if(count($this-&gt;to)+count($this-&gt;cc)+count($this-&gt;bcc)&lt;1){throw new Exception($this-&gt;lang(&#039;provide_address&#039;),self::STOP_CRITICAL);}foreach([&#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(!static::validateAddress($this-&gt;$address_kind)){$error_message=sprintf(&#039;%s (%s): %s&#039;,$this-&gt;lang(&#039;invalid_address&#039;),$address_kind,$this-&gt;$address_kind);$this-&gt;setError($error_message);$this-&gt;edebug($error_message);if($this-&gt;exceptions){throw new Exception($error_message);}return false;}}if($this-&gt;alternativeExists()){$this-&gt;ContentType=static::CONTENT_TYPE_MULTIPART_ALTERNATIVE;}$this-&gt;setMessageType();if(!$this-&gt;AllowEmpty and empty($this-&gt;Body)){throw new Exception($this-&gt;lang(&#039;empty_message&#039;),self::STOP_CRITICAL);}$this-&gt;Subject=trim($this-&gt;Subject);$this-&gt;MIMEHeader=&#039;&#039;;$this-&gt;MIMEBody=$this-&gt;createBody();$tempheaders=$this-&gt;MIMEHeader;$this-&gt;MIMEHeader=$this-&gt;createHeader();$this-&gt;MIMEHeader.=$tempheaders;if(&#039;mail&#039;==$this-&gt;Mailer){if(count($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($this-&gt;secureHeader($this-&gt;Subject)));}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 static::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;).static::$LE.static::normalizeBreaks($header_dkim).static::$LE;}return true;}catch(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}return false;}}public function postSend(){try{switch($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(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());$this-&gt;edebug($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}}return false;}protected function sendmailSend($header,$body){if(!empty($this-&gt;Sender)and self::isShellSafe($this-&gt;Sender)){if(&#039;qmail&#039;==$this-&gt;Mailer){$sendmailFmt=&#039;%s -f%s&#039;;}else{$sendmailFmt=&#039;%s -oi -f%s -t&#039;;}}else{if(&#039;qmail&#039;==$this-&gt;Mailer){$sendmailFmt=&#039;%s&#039;;}else{$sendmailFmt=&#039;%s -oi -t&#039;;}}$sendmail=sprintf($sendmailFmt,escapeshellcmd($this-&gt;Sendmail),$this-&gt;Sender);if($this-&gt;SingleTo){foreach($this-&gt;SingleToArray as $toAddr){$mail=@popen($sendmail,&#039;w&#039;);if(!$mail){throw new Exception($this-&gt;lang(&#039;execute&#039;).$this-&gt;Sendmail,self::STOP_CRITICAL);}fwrite($mail,&#039;To: &#039;.$toAddr.&quot;\n&quot;);fwrite($mail,$header);fwrite($mail,$body);$result=pclose($mail);$this-&gt;doCallback(($result==0),[$toAddr],$this-&gt;cc,$this-&gt;bcc,$this-&gt;Subject,$body,$this-&gt;From,[]);if(0!==$result){throw new Exception($this-&gt;lang(&#039;execute&#039;).$this-&gt;Sendmail,self::STOP_CRITICAL);}}}else{$mail=@popen($sendmail,&#039;w&#039;);if(!$mail){throw new Exception($this-&gt;lang(&#039;execute&#039;).$this-&gt;Sendmail,self::STOP_CRITICAL);}fwrite($mail,$header);fwrite($mail,$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(0!==$result){throw new Exception($this-&gt;lang(&#039;execute&#039;).$this-&gt;Sendmail,self::STOP_CRITICAL);}}return true;}protected static function isShellSafe($string){if(escapeshellcmd($string)!==$string or!in_array(escapeshellarg($string),[&quot;&#039;$string&#039;&quot;,&quot;\&quot;$string\&quot;&quot;])){return false;}$length=strlen($string);for($i=0;$i&lt;$length;++$i){$c=$string[$i];if(!ctype_alnum($c)&amp;&amp;strpos(&#039;@_-.&#039;,$c)===false){return false;}}return true;}protected static function isPermittedPath($path){return!preg_match(&#039;#^[a-z]+://#i&#039;,$path);}protected function mailSend($header,$body){$toArr=[];foreach($this-&gt;to as $toaddr){$toArr[]=$this-&gt;addrFormat($toaddr);}$to=implode(&#039;, &#039;,$toArr);$params=null;if(!empty($this-&gt;Sender)and static::validateAddress($this-&gt;Sender)){if(self::isShellSafe($this-&gt;Sender)){$params=sprintf(&#039;-f%s&#039;,$this-&gt;Sender);}}if(!empty($this-&gt;Sender)and static::validateAddress($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,[$toAddr],$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 Exception($this-&gt;lang(&#039;instantiate&#039;),self::STOP_CRITICAL);}return true;}public function getSMTPInstance(){if(!is_object($this-&gt;smtp)){$this-&gt;smtp=new SMTP();}return $this-&gt;smtp;}public function setSMTPInstance(SMTP $smtp){$this-&gt;smtp=$smtp;return $this-&gt;smtp;}protected function smtpSend($header,$body){$bad_rcpt=[];if(!$this-&gt;smtpConnect($this-&gt;SMTPOptions)){throw new Exception($this-&gt;lang(&#039;smtp_connect_failed&#039;),self::STOP_CRITICAL);}if(&#039;&#039;==$this-&gt;Sender){$smtp_from=$this-&gt;From;}else{$smtp_from=$this-&gt;Sender;}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 Exception($this-&gt;ErrorInfo,self::STOP_CRITICAL);}$callbacks=[];foreach([$this-&gt;to,$this-&gt;cc,$this-&gt;bcc]as $togroup){foreach($togroup as $to){if(!$this-&gt;smtp-&gt;recipient($to[0],$this-&gt;dsn)){$error=$this-&gt;smtp-&gt;getError();$bad_rcpt[]=[&#039;to&#039;=&gt;$to[0],&#039;error&#039;=&gt;$error[&#039;detail&#039;]];$isSent=false;}else{$isSent=true;}$callbacks[]=[&#039;issent&#039;=&gt;$isSent,&#039;to&#039;=&gt;$to[0]];}}if((count($this-&gt;all_recipients)&gt;count($bad_rcpt))and!$this-&gt;smtp-&gt;data($header.$body)){throw new Exception($this-&gt;lang(&#039;data_not_accepted&#039;),self::STOP_CRITICAL);}$smtp_transaction_id=$this-&gt;smtp-&gt;getLastTransactionID();if($this-&gt;SMTPKeepAlive){$this-&gt;smtp-&gt;reset();}else{$this-&gt;smtp-&gt;quit();$this-&gt;smtp-&gt;close();}foreach($callbacks as $cb){$this-&gt;doCallback($cb[&#039;issent&#039;],[$cb[&#039;to&#039;]],[],[],$this-&gt;Subject,$body,$this-&gt;From,[&#039;smtp_transaction_id&#039;=&gt;$smtp_transaction_id]);}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 Exception($this-&gt;lang(&#039;recipients_failed&#039;).$errstr,self::STOP_CONTINUE);}return true;}public function smtpConnect($options=null){if(null===$this-&gt;smtp){$this-&gt;smtp=$this-&gt;getSMTPInstance();}if(null===$options){$options=$this-&gt;SMTPOptions;}if($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=[];if(!preg_match(&#039;/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/&#039;,trim($hostentry),$hostinfo)){static::edebug($this-&gt;lang(&#039;connect_host&#039;).&#039; &#039;.$hostentry);continue;}if(!static::isValidHost($hostinfo[3])){static::edebug($this-&gt;lang(&#039;connect_host&#039;).&#039; &#039;.$hostentry);continue;}$prefix=&#039;&#039;;$secure=$this-&gt;SMTPSecure;$tls=(&#039;tls&#039;==$this-&gt;SMTPSecure);if(&#039;ssl&#039;==$hostinfo[2]or(&#039;&#039;==$hostinfo[2]and &#039;ssl&#039;==$this-&gt;SMTPSecure)){$prefix=&#039;ssl://&#039;;$tls=false;$secure=&#039;ssl&#039;;}elseif(&#039;tls&#039;==$hostinfo[2]){$tls=true;$secure=&#039;tls&#039;;}$sslext=defined(&#039;OPENSSL_ALGO_SHA256&#039;);if(&#039;tls&#039;===$secure or &#039;ssl&#039;===$secure){if(!$sslext){throw new Exception($this-&gt;lang(&#039;extension_missing&#039;).&#039;openssl&#039;,self::STOP_CRITICAL);}}$host=$hostinfo[3];$port=$this-&gt;Port;$tport=(int)$hostinfo[4];if($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);if($this-&gt;SMTPAutoTLS and $sslext and &#039;ssl&#039;!=$secure and $this-&gt;smtp-&gt;getServerExt(&#039;STARTTLS&#039;)){$tls=true;}if($tls){if(!$this-&gt;smtp-&gt;startTLS()){throw new Exception($this-&gt;lang(&#039;connect_host&#039;));}$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,$this-&gt;oauth)){throw new Exception($this-&gt;lang(&#039;authenticate&#039;));}}return true;}catch(Exception $exc){$lastexception=$exc;$this-&gt;edebug($exc-&gt;getMessage());$this-&gt;smtp-&gt;quit();}}}$this-&gt;smtp-&gt;close();if($this-&gt;exceptions and null!==$lastexception){throw $lastexception;}return false;}public function smtpClose(){if(null!==$this-&gt;smtp){if($this-&gt;smtp-&gt;connected()){$this-&gt;smtp-&gt;quit();$this-&gt;smtp-&gt;close();}}}public function setLanguage($langcode=&#039;en&#039;,$lang_path=&#039;&#039;){$renamed_langcodes=[&#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;rs&#039;=&gt;&#039;sr&#039;,&#039;tg&#039;=&gt;&#039;tl&#039;,];if(isset($renamed_langcodes[$langcode])){$langcode=$renamed_langcodes[$langcode];}$PHPMAILER_LANG=[&#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($lang_path)){$lang_path=dirname(__DIR__).DIRECTORY_SEPARATOR.&#039;language&#039;.DIRECTORY_SEPARATOR;}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;.$langcode.&#039;.php&#039;;if(&#039;en&#039;!=$langcode){if(!static::isPermittedPath($lang_file)||!file_exists($lang_file)){$foundlang=false;}else{$foundlang=include $lang_file;}}$this-&gt;language=$PHPMAILER_LANG;return (bool) $foundlang;}public function getTranslations(){return $this-&gt;language;}public function addrAppend($type,$addr){$addresses=[];foreach($addr as $address){$addresses[]=$this-&gt;addrFormat($address);}return $type.&#039;: &#039;.implode(&#039;, &#039;,$addresses).static::$LE;}public function addrFormat($addr){if(empty($addr[1])){return $this-&gt;secureHeader($addr[0]);}return $this-&gt;encodeHeader($this-&gt;secureHeader($addr[1]),&#039;phrase&#039;).&#039; &lt;&#039;.$this-&gt;secureHeader($addr[0]).&#039;&gt;&#039;;}public function wrapText($message,$length,$qp_mode=false){if($qp_mode){$soft_break=sprintf(&#039; =%s&#039;,static::$LE);}else{$soft_break=static::$LE;}$is_utf8=static::CHARSET_UTF8===strtolower($this-&gt;CharSet);$lelen=strlen(static::$LE);$crlflen=strlen(static::$LE);$message=static::normalizeBreaks($message);if(substr($message,-$lelen)==static::$LE){$message=substr($message,0,-$lelen);}$lines=explode(static::$LE,$message);$message=&#039;&#039;;foreach($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,$len);}elseif(&#039;=&#039;==substr($word,$len-1,1)){--$len;}elseif(&#039;=&#039;==substr($word,$len-2,1)){$len -= 2;}$part=substr($word,0,$len);$word=substr($word,$len);$buf.=&#039; &#039;.$part;$message.=$buf.sprintf(&#039;=%s&#039;,static::$LE);}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,$len);}elseif(&#039;=&#039;==substr($word,$len-1,1)){--$len;}elseif(&#039;=&#039;==substr($word,$len-2,1)){$len -= 2;}$part=substr($word,0,$len);$word=substr($word,$len);if(strlen($word)&gt;0){$message.=$part.sprintf(&#039;=%s&#039;,static::$LE);}else{$buf=$part;}}}else{$buf_o=$buf;if(!$firstword){$buf.=&#039; &#039;;}$buf.=$word;if(strlen($buf)&gt;$length and &#039;&#039;!=$buf_o){$message.=$buf_o.$soft_break;$buf=$word;}}$firstword=false;}$message.=$buf.static::$LE;}return $message;}public function utf8CharBoundary($encodedText,$maxLength){$foundSplitPos=false;$lookBack=3;while(!$foundSplitPos){$lastChunk=substr($encodedText,$maxLength-$lookBack,$lookBack);$encodedCharPos=strpos($lastChunk,&#039;=&#039;);if(false!==$encodedCharPos){$hex=substr($encodedText,$maxLength-$lookBack+$encodedCharPos+1,2);$dec=hexdec($hex);if($dec&lt;128){if($encodedCharPos&gt;0){$maxLength -= $lookBack-$encodedCharPos;}$foundSplitPos=true;}elseif($dec &gt;= 192){$maxLength -= $lookBack-$encodedCharPos;$foundSplitPos=true;}elseif($dec&lt;192){$lookBack += 3;}}else{$foundSplitPos=true;}}return $maxLength;}public function setWordWrap(){if($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,$this-&gt;WordWrap);break;}}public function createHeader(){$result=&#039;&#039;;$result.=$this-&gt;headerLine(&#039;Date&#039;,&#039;&#039;==$this-&gt;MessageDate?self::rfcDate():$this-&gt;MessageDate);if($this-&gt;SingleTo){if(&#039;mail&#039;!=$this-&gt;Mailer){foreach($this-&gt;to as $toaddr){$this-&gt;SingleToArray[]=$this-&gt;addrFormat($toaddr);}}}else{if(count($this-&gt;to)&gt;0){if(&#039;mail&#039;!=$this-&gt;Mailer){$result.=$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;,[[trim($this-&gt;From),$this-&gt;FromName]]);if(count($this-&gt;cc)&gt;0){$result.=$this-&gt;addrAppend(&#039;Cc&#039;,$this-&gt;cc);}if((&#039;sendmail&#039;==$this-&gt;Mailer or &#039;qmail&#039;==$this-&gt;Mailer or &#039;mail&#039;==$this-&gt;Mailer)and count($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;,$this-&gt;ReplyTo);}if(&#039;mail&#039;!=$this-&gt;Mailer){$result.=$this-&gt;headerLine(&#039;Subject&#039;,$this-&gt;encodeHeader($this-&gt;secureHeader($this-&gt;Subject)));}if(&#039;&#039;!=$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(null!==$this-&gt;Priority){$result.=$this-&gt;headerLine(&#039;X-Priority&#039;,$this-&gt;Priority);}if(&#039;&#039;==$this-&gt;XMailer){$result.=$this-&gt;headerLine(&#039;X-Mailer&#039;,&#039;✖️1߷&#039;.self::VERSION.&#039;߷߷&#039;);}else{$myXmailer=trim($this-&gt;XMailer);if($myXmailer){$result.=$this-&gt;headerLine(&#039;X-Mailer&#039;,$myXmailer);}}if(&#039;&#039;!=$this-&gt;ConfirmReadingTo){$result.=$this-&gt;headerLine(&#039;Disposition-Notification-To&#039;,&#039;&lt;&#039;.$this-&gt;ConfirmReadingTo.&#039;&gt;&#039;);}foreach($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 $result;}public function getMailMIME(){$result=&#039;&#039;;$ismultipart=true;switch($this-&gt;message_type){case &#039;inline&#039;:$result.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_RELATED.&#039;;&#039;);$result.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[1].&#039;&quot;&#039;);break;case &#039;attach&#039;:case &#039;inline_attach&#039;:case &#039;alt_attach&#039;:case &#039;alt_inline_attach&#039;:$result.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_MIXED.&#039;;&#039;);$result.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$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;,static::CONTENT_TYPE_MULTIPART_ALTERNATIVE.&#039;;&#039;);$result.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[1].&#039;&quot;&#039;);break;default:$result.=$this-&gt;textLine(&#039;Content-Type: &#039;.$this-&gt;ContentType.&#039;; charset=&#039;.$this-&gt;CharSet);$ismultipart=false;break;}if(static::ENCODING_7BIT!=$this-&gt;Encoding){if($ismultipart){if(static::ENCODING_8BIT==$this-&gt;Encoding){$result.=$this-&gt;headerLine(&#039;Content-Transfer-Encoding&#039;,static::ENCODING_8BIT);}}else{$result.=$this-&gt;headerLine(&#039;Content-Transfer-Encoding&#039;,$this-&gt;Encoding);}}if(&#039;mail&#039;!=$this-&gt;Mailer){$result.=static::$LE;}return $result;}public function getSentMIMEMessage(){return rtrim($this-&gt;MIMEHeader.$this-&gt;mailHeader,&quot;\n\r&quot;).static::$LE.static::$LE.$this-&gt;MIMEBody;}protected function generateId(){$len=32;if(function_exists(&#039;random_bytes&#039;)){$bytes=random_bytes($len);}elseif(function_exists(&#039;openssl_random_pseudo_bytes&#039;)){$bytes=openssl_random_pseudo_bytes($len);}else{$bytes=hash(&#039;sha256&#039;,uniqid((string)mt_rand(),true),true);}return str_replace([&#039;=&#039;,&#039;+&#039;,&#039;/&#039;],&#039;&#039;,base64_encode(hash(&#039;sha256&#039;,$bytes,true)));}public function createBody(){$body=&#039;&#039;;$this-&gt;uniqueid=$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.=$this-&gt;getMailMIME().static::$LE;}$this-&gt;setWordWrap();$bodyEncoding=$this-&gt;Encoding;$bodyCharSet=$this-&gt;CharSet;if(static::ENCODING_8BIT==$bodyEncoding and!$this-&gt;has8bitChars($this-&gt;Body)){$bodyEncoding=static::ENCODING_7BIT;$bodyCharSet=&#039;us-ascii&#039;;}if(static::ENCODING_BASE64!=$this-&gt;Encoding and static::hasLineLongerThanMax($this-&gt;Body)){$bodyEncoding=static::ENCODING_QUOTED_PRINTABLE;}$altBodyEncoding=$this-&gt;Encoding;$altBodyCharSet=$this-&gt;CharSet;if(static::ENCODING_8BIT==$altBodyEncoding and!$this-&gt;has8bitChars($this-&gt;AltBody)){$altBodyEncoding=static::ENCODING_7BIT;$altBodyCharSet=&#039;us-ascii&#039;;}if(static::ENCODING_BASE64!=$altBodyEncoding and static::hasLineLongerThanMax($this-&gt;AltBody)){$altBodyEncoding=static::ENCODING_QUOTED_PRINTABLE;}$mimepre=&#039;This is a multi-part message in MIME format.&#039;.static::$LE;switch($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.=static::$LE;$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.=static::$LE;$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.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_RELATED.&#039;;&#039;);$body.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[2].&#039;&quot;;&#039;);$body.=$this-&gt;textLine(&#039; type=&quot;&#039;.static::CONTENT_TYPE_TEXT_HTML.&#039;&quot;&#039;);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[2],$bodyCharSet,&#039;&#039;,$bodyEncoding);$body.=$this-&gt;encodeString($this-&gt;Body,$bodyEncoding);$body.=static::$LE;$body.=$this-&gt;attachAll(&#039;inline&#039;,$this-&gt;boundary[2]);$body.=static::$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],$altBodyCharSet,static::CONTENT_TYPE_PLAINTEXT,$altBodyEncoding);$body.=$this-&gt;encodeString($this-&gt;AltBody,$altBodyEncoding);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[1],$bodyCharSet,static::CONTENT_TYPE_TEXT_HTML,$bodyEncoding);$body.=$this-&gt;encodeString($this-&gt;Body,$bodyEncoding);$body.=static::$LE;if(!empty($this-&gt;Ical)){$body.=$this-&gt;getBoundary($this-&gt;boundary[1],&#039;&#039;,static::CONTENT_TYPE_TEXT_CALENDAR.&#039;; method=REQUEST&#039;,&#039;&#039;);$body.=$this-&gt;encodeString($this-&gt;Ical,$this-&gt;Encoding);$body.=static::$LE;}$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,static::CONTENT_TYPE_PLAINTEXT,$altBodyEncoding);$body.=$this-&gt;encodeString($this-&gt;AltBody,$altBodyEncoding);$body.=static::$LE;$body.=$this-&gt;textLine(&#039;--&#039;.$this-&gt;boundary[1]);$body.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_RELATED.&#039;;&#039;);$body.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[2].&#039;&quot;;&#039;);$body.=$this-&gt;textLine(&#039; type=&quot;&#039;.static::CONTENT_TYPE_TEXT_HTML.&#039;&quot;&#039;);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[2],$bodyCharSet,static::CONTENT_TYPE_TEXT_HTML,$bodyEncoding);$body.=$this-&gt;encodeString($this-&gt;Body,$bodyEncoding);$body.=static::$LE;$body.=$this-&gt;attachAll(&#039;inline&#039;,$this-&gt;boundary[2]);$body.=static::$LE;$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.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_ALTERNATIVE.&#039;;&#039;);$body.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[2].&#039;&quot;&#039;);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[2],$altBodyCharSet,static::CONTENT_TYPE_PLAINTEXT,$altBodyEncoding);$body.=$this-&gt;encodeString($this-&gt;AltBody,$altBodyEncoding);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[2],$bodyCharSet,static::CONTENT_TYPE_TEXT_HTML,$bodyEncoding);$body.=$this-&gt;encodeString($this-&gt;Body,$bodyEncoding);$body.=static::$LE;if(!empty($this-&gt;Ical)){$body.=$this-&gt;getBoundary($this-&gt;boundary[2],&#039;&#039;,static::CONTENT_TYPE_TEXT_CALENDAR.&#039;; method=REQUEST&#039;,&#039;&#039;);$body.=$this-&gt;encodeString($this-&gt;Ical,$this-&gt;Encoding);}$body.=$this-&gt;endBoundary($this-&gt;boundary[2]);$body.=static::$LE;$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.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_ALTERNATIVE.&#039;;&#039;);$body.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[2].&#039;&quot;&#039;);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[2],$altBodyCharSet,static::CONTENT_TYPE_PLAINTEXT,$altBodyEncoding);$body.=$this-&gt;encodeString($this-&gt;AltBody,$altBodyEncoding);$body.=static::$LE;$body.=$this-&gt;textLine(&#039;--&#039;.$this-&gt;boundary[2]);$body.=$this-&gt;headerLine(&#039;Content-Type&#039;,static::CONTENT_TYPE_MULTIPART_RELATED.&#039;;&#039;);$body.=$this-&gt;textLine(&#039; boundary=&quot;&#039;.$this-&gt;boundary[3].&#039;&quot;;&#039;);$body.=$this-&gt;textLine(&#039; type=&quot;&#039;.static::CONTENT_TYPE_TEXT_HTML.&#039;&quot;&#039;);$body.=static::$LE;$body.=$this-&gt;getBoundary($this-&gt;boundary[3],$bodyCharSet,static::CONTENT_TYPE_TEXT_HTML,$bodyEncoding);$body.=$this-&gt;encodeString($this-&gt;Body,$bodyEncoding);$body.=static::$LE;$body.=$this-&gt;attachAll(&#039;inline&#039;,$this-&gt;boundary[3]);$body.=static::$LE;$body.=$this-&gt;endBoundary($this-&gt;boundary[2]);$body.=static::$LE;$body.=$this-&gt;attachAll(&#039;attachment&#039;,$this-&gt;boundary[1]);break;default:$this-&gt;Encoding=$bodyEncoding;$body.=$this-&gt;encodeString($this-&gt;Body,$this-&gt;Encoding);break;}if($this-&gt;isError()){$body=&#039;&#039;;if($this-&gt;exceptions){throw new Exception($this-&gt;lang(&#039;empty_message&#039;),self::STOP_CRITICAL);}}elseif($this-&gt;sign_key_file){try{if(!defined(&#039;PKCS7_TEXT&#039;)){throw new Exception($this-&gt;lang(&#039;extension_missing&#039;).&#039;openssl&#039;);}$file=fopen(&#039;php://temp&#039;,&#039;rb+&#039;);$signed=fopen(&#039;php://temp&#039;,&#039;rb+&#039;);fwrite($file,$body);if(empty($this-&gt;sign_extracerts_file)){$sign=@openssl_pkcs7_sign($file,$signed,&#039;file://&#039;.realpath($this-&gt;sign_cert_file),[&#039;file://&#039;.realpath($this-&gt;sign_key_file),$this-&gt;sign_key_pass],[]);}else{$sign=@openssl_pkcs7_sign($file,$signed,&#039;file://&#039;.realpath($this-&gt;sign_cert_file),[&#039;file://&#039;.realpath($this-&gt;sign_key_file),$this-&gt;sign_key_pass],[],PKCS7_DETACHED,$this-&gt;sign_extracerts_file);}fclose($file);if($sign){$body=file_get_contents($signed);fclose($signed);$parts=explode(&quot;\n\n&quot;,$body,2);$this-&gt;MIMEHeader.=$parts[0].static::$LE.static::$LE;$body=$parts[1];}else{fclose($signed);throw new Exception($this-&gt;lang(&#039;signing&#039;).openssl_error_string());}}catch(Exception $exc){$body=&#039;&#039;;if($this-&gt;exceptions){throw $exc;}}}return $body;}protected function getBoundary($boundary,$charSet,$contentType,$encoding){$result=&#039;&#039;;if(&#039;&#039;==$charSet){$charSet=$this-&gt;CharSet;}if(&#039;&#039;==$contentType){$contentType=$this-&gt;ContentType;}if(&#039;&#039;==$encoding){$encoding=$this-&gt;Encoding;}$result.=$this-&gt;textLine(&#039;--&#039;.$boundary);$result.=sprintf(&#039;Content-Type: %s; charset=%s&#039;,$contentType,$charSet);$result.=static::$LE;if(static::ENCODING_7BIT!=$encoding){$result.=$this-&gt;headerLine(&#039;Content-Transfer-Encoding&#039;,$encoding);}$result.=static::$LE;return $result;}protected function endBoundary($boundary){return static::$LE.&#039;--&#039;.$boundary.&#039;--&#039;.static::$LE;}protected function setMessageType(){$type=[];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(&#039;&#039;==$this-&gt;message_type){$this-&gt;message_type=&#039;plain&#039;;}}public function headerLine($name,$value){return $name.&#039;: &#039;.$value.static::$LE;}public function textLine($value){return $value.static::$LE;}public function addAttachment($path,$name=&#039;&#039;,$encoding=self::ENCODING_BASE64,$type=&#039;&#039;,$disposition=&#039;attachment&#039;){try{if(!static::isPermittedPath($path)||!@is_file($path)){throw new Exception($this-&gt;lang(&#039;file_access&#039;).$path,self::STOP_CONTINUE);}if(&#039;&#039;==$type){$type=static::filenameToType($path);}$filename=static::mb_pathinfo($path,PATHINFO_BASENAME);if(&#039;&#039;==$name){$name=$filename;}if(!$this-&gt;validateEncoding($encoding)){throw new Exception($this-&gt;lang(&#039;encoding&#039;).$encoding);}$this-&gt;attachment[]=[0=&gt;$path,1=&gt;$filename,2=&gt;$name,3=&gt;$encoding,4=&gt;$type,5=&gt;false,6=&gt;$disposition,7=&gt;$name,];}catch(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());$this-&gt;edebug($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}return false;}return true;}public function getAttachments(){return $this-&gt;attachment;}protected function attachAll($disposition_type,$boundary){$mime=[];$cidUniq=[];$incl=[];foreach($this-&gt;attachment as $attachment){if($attachment[6]==$disposition_type){$string=&#039;&#039;;$path=&#039;&#039;;$bString=$attachment[5];if($bString){$string=$attachment[0];}else{$path=$attachment[0];}$inclhash=hash(&#039;sha256&#039;,serialize($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(&#039;inline&#039;==$disposition and array_key_exists($cid,$cidUniq)){continue;}$cidUniq[$cid]=true;$mime[]=sprintf(&#039;--%s%s&#039;,$boundary,static::$LE);if(!empty($name)){$mime[]=sprintf(&#039;Content-Type: %s; name=&quot;%s&quot;%s&#039;,$type,$this-&gt;encodeHeader($this-&gt;secureHeader($name)),static::$LE);}else{$mime[]=sprintf(&#039;Content-Type: %s%s&#039;,$type,static::$LE);}if(static::ENCODING_7BIT!=$encoding){$mime[]=sprintf(&#039;Content-Transfer-Encoding: %s%s&#039;,$encoding,static::$LE);}if(!empty($cid)){$mime[]=sprintf(&#039;Content-ID: &lt;%s&gt;%s&#039;,$this-&gt;encodeHeader($this-&gt;secureHeader($cid)),static::$LE);}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,static::$LE.static::$LE);}else{if(!empty($encoded_name)){$mime[]=sprintf(&#039;Content-Disposition: %s; filename=%s%s&#039;,$disposition,$encoded_name,static::$LE.static::$LE);}else{$mime[]=sprintf(&#039;Content-Disposition: %s%s&#039;,$disposition,static::$LE.static::$LE);}}}else{$mime[]=static::$LE;}if($bString){$mime[]=$this-&gt;encodeString($string,$encoding);}else{$mime[]=$this-&gt;encodeFile($path,$encoding);}if($this-&gt;isError()){return &#039;&#039;;}$mime[]=static::$LE;}}$mime[]=sprintf(&#039;--%s--%s&#039;,$boundary,static::$LE);return implode(&#039;&#039;,$mime);}protected function encodeFile($path,$encoding=self::ENCODING_BASE64){try{if(!static::isPermittedPath($path)||!file_exists($path)){throw new Exception($this-&gt;lang(&#039;file_open&#039;).$path,self::STOP_CONTINUE);}$file_buffer=file_get_contents($path);if(false===$file_buffer){throw new Exception($this-&gt;lang(&#039;file_open&#039;).$path,self::STOP_CONTINUE);}$file_buffer=$this-&gt;encodeString($file_buffer,$encoding);return $file_buffer;}catch(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());return &#039;&#039;;}}public function encodeString($str,$encoding=self::ENCODING_BASE64){$encoded=&#039;&#039;;switch(strtolower($encoding)){case static::ENCODING_BASE64:$encoded=chunk_split(base64_encode($str),static::STD_LINE_LENGTH,static::$LE);break;case static::ENCODING_7BIT:case static::ENCODING_8BIT:$encoded=static::normalizeBreaks($str);if(substr($encoded,-(strlen(static::$LE)))!=static::$LE){$encoded.=static::$LE;}break;case static::ENCODING_BINARY:$encoded=$str;break;case static::ENCODING_QUOTED_PRINTABLE:$encoded=$this-&gt;encodeQP($str);break;default:$this-&gt;setError($this-&gt;lang(&#039;encoding&#039;).$encoding);if($this-&gt;exceptions){throw new Exception($this-&gt;lang(&#039;encoding&#039;).$encoding);}break;}return $encoded;}public function encodeHeader($str,$position=&#039;text&#039;){$matchcount=0;switch(strtolower($position)){case &#039;phrase&#039;:if(!preg_match(&#039;/[\200-\377]/&#039;,$str)){$encoded=addcslashes($str,&quot;\0..\37\177\\\&quot;&quot;);if(($str==$encoded)and!preg_match(&#039;/[^A-Za-z0-9!#$%&amp;\&#039;*+\/=?^_`{|}~ -]/&#039;,$str)){return $encoded;}return &quot;\&quot;$encoded\&quot;&quot;;}$matchcount=preg_match_all(&#039;/[^\040\041\043-\133\135-\176]/&#039;,$str,$matches);break;case &#039;comment&#039;:$matchcount=preg_match_all(&#039;/[()&quot;]/&#039;,$str,$matches);case &#039;text&#039;:default:$matchcount += preg_match_all(&#039;/[\000-\010\013\014\016-\037\177-\377]/&#039;,$str,$matches);break;}$lengthsub=&#039;mail&#039;==$this-&gt;Mailer?13:0;$maxlen=static::STD_LINE_LENGTH-$lengthsub;if($matchcount&gt;strlen($str)/3){$encoding=&#039;B&#039;;$maxlen=static::STD_LINE_LENGTH-$lengthsub-8-strlen($this-&gt;CharSet);if($this-&gt;hasMultiBytes($str)){$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;));}$encoded=preg_replace(&#039;/^(.*)$/m&#039;,&#039; =?&#039;.$this-&gt;CharSet.&quot;?$encoding?\\1?=&quot;,$encoded);}elseif($matchcount&gt;0){$encoding=&#039;Q&#039;;$maxlen=static::STD_LINE_LENGTH-$lengthsub-8-strlen($this-&gt;CharSet);$encoded=$this-&gt;encodeQ($str,$position);$encoded=$this-&gt;wrapText($encoded,$maxlen,true);$encoded=str_replace(&#039;=&#039;.static::$LE,&quot;\n&quot;,trim($encoded));$encoded=preg_replace(&#039;/^(.*)$/m&#039;,&#039; =?&#039;.$this-&gt;CharSet.&quot;?$encoding?\\1?=&quot;,$encoded);}elseif(strlen($str)&gt;$maxlen){$encoded=trim($this-&gt;wrapText($str,$maxlen,false));if($str==$encoded){$encoded=trim(chunk_split($str,static::STD_LINE_LENGTH,static::$LE));}$encoded=str_replace(static::$LE,&quot;\n&quot;,trim($encoded));$encoded=preg_replace(&#039;/^(.*)$/m&#039;,&#039; \\1&#039;,$encoded);}else{return $str;}return trim(static::normalizeBreaks($encoded));}public function hasMultiBytes($str){if(function_exists(&#039;mb_strlen&#039;)){return strlen($str)&gt;mb_strlen($str,$this-&gt;CharSet);}return false;}public function has8bitChars($text){return (bool) preg_match(&#039;/[\x80-\xFF]/&#039;,$text);}public function base64EncodeWrapMB($str,$linebreak=null){$start=&#039;=?&#039;.$this-&gt;CharSet.&#039;?B?&#039;;$end=&#039;?=&#039;;$encoded=&#039;&#039;;if(null===$linebreak){$linebreak=static::$LE;}$mb_length=mb_strlen($str,$this-&gt;CharSet);$length=75-strlen($start)-strlen($end);$ratio=$mb_length/strlen($str);$avgLength=floor($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;}return substr($encoded,0,-strlen($linebreak));}public function encodeQP($string){return static::normalizeBreaks(quoted_printable_encode($string));}public function encodeQ($str,$position=&#039;text&#039;){$pattern=&#039;&#039;;$encoded=str_replace([&quot;\r&quot;,&quot;\n&quot;],&#039;&#039;,$str);switch(strtolower($position)){case &#039;phrase&#039;:$pattern=&#039;^A-Za-z0-9!*+\/ -&#039;;break;case &#039;comment&#039;:$pattern=&#039;\(\)&quot;&#039;;case &#039;text&#039;:default:$pattern=&#039;\000-\011\013\014\016-\037\075\077\137\177-\377&#039;.$pattern;break;}$matches=[];if(preg_match_all(&quot;/[{$pattern}]/&quot;,$encoded,$matches)){$eqkey=array_search(&#039;=&#039;,$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)),$encoded);}}return str_replace(&#039; &#039;,&#039;_&#039;,$encoded);}public function addStringAttachment($string,$filename,$encoding=self::ENCODING_BASE64,$type=&#039;&#039;,$disposition=&#039;attachment&#039;){try{if(&#039;&#039;==$type){$type=static::filenameToType($filename);}if(!$this-&gt;validateEncoding($encoding)){throw new Exception($this-&gt;lang(&#039;encoding&#039;).$encoding);}$this-&gt;attachment[]=[0=&gt;$string,1=&gt;$filename,2=&gt;static::mb_pathinfo($filename,PATHINFO_BASENAME),3=&gt;$encoding,4=&gt;$type,5=&gt;true,6=&gt;$disposition,7=&gt;0,];}catch(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());$this-&gt;edebug($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}return false;}return true;}public function addEmbeddedImage($path,$cid,$name=&#039;&#039;,$encoding=self::ENCODING_BASE64,$type=&#039;&#039;,$disposition=&#039;inline&#039;){try{if(!static::isPermittedPath($path)||!@is_file($path)){throw new Exception($this-&gt;lang(&#039;file_access&#039;).$path,self::STOP_CONTINUE);}if(&#039;&#039;==$type){$type=static::filenameToType($path);}if(!$this-&gt;validateEncoding($encoding)){throw new Exception($this-&gt;lang(&#039;encoding&#039;).$encoding);}$filename=static::mb_pathinfo($path,PATHINFO_BASENAME);if(&#039;&#039;==$name){$name=$filename;}$this-&gt;attachment[]=[0=&gt;$path,1=&gt;$filename,2=&gt;$name,3=&gt;$encoding,4=&gt;$type,5=&gt;false,6=&gt;$disposition,7=&gt;$cid,];}catch(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());$this-&gt;edebug($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}return false;}return true;}public function addStringEmbeddedImage($string,$cid,$name=&#039;&#039;,$encoding=self::ENCODING_BASE64,$type=&#039;&#039;,$disposition=&#039;inline&#039;){try{if(&#039;&#039;==$type and!empty($name)){$type=static::filenameToType($name);}if(!$this-&gt;validateEncoding($encoding)){throw new Exception($this-&gt;lang(&#039;encoding&#039;).$encoding);}$this-&gt;attachment[]=[0=&gt;$string,1=&gt;$name,2=&gt;$name,3=&gt;$encoding,4=&gt;$type,5=&gt;true,6=&gt;$disposition,7=&gt;$cid,];}catch(Exception $exc){$this-&gt;setError($exc-&gt;getMessage());$this-&gt;edebug($exc-&gt;getMessage());if($this-&gt;exceptions){throw $exc;}return false;}return true;}protected function validateEncoding($encoding){return in_array($encoding,[self::ENCODING_7BIT,self::ENCODING_QUOTED_PRINTABLE,self::ENCODING_BASE64,self::ENCODING_8BIT,self::ENCODING_BINARY,],true);}protected function cidExists($cid){foreach($this-&gt;attachment as $attachment){if(&#039;inline&#039;==$attachment[6]and $cid==$attachment[7]){return true;}}return false;}public function inlineImageExists(){foreach($this-&gt;attachment as $attachment){if(&#039;inline&#039;==$attachment[6]){return true;}}return false;}public function attachmentExists(){foreach($this-&gt;attachment as $attachment){if(&#039;attachment&#039;==$attachment[6]){return true;}}return false;}public function alternativeExists(){return!empty($this-&gt;AltBody);}public function clearQueuedAddresses($kind){$this-&gt;RecipientsQueue=array_filter($this-&gt;RecipientsQueue,function($params)use($kind){return $params[0]!=$kind;});}public function clearAddresses(){foreach($this-&gt;to as $to){unset($this-&gt;all_recipients[strtolower($to[0])]);}$this-&gt;to=[];$this-&gt;clearQueuedAddresses(&#039;to&#039;);}public function clearCCs(){foreach($this-&gt;cc as $cc){unset($this-&gt;all_recipients[strtolower($cc[0])]);}$this-&gt;cc=[];$this-&gt;clearQueuedAddresses(&#039;cc&#039;);}public function clearBCCs(){foreach($this-&gt;bcc as $bcc){unset($this-&gt;all_recipients[strtolower($bcc[0])]);}$this-&gt;bcc=[];$this-&gt;clearQueuedAddresses(&#039;bcc&#039;);}public function clearReplyTos(){$this-&gt;ReplyTo=[];$this-&gt;ReplyToQueue=[];}public function clearAllRecipients(){$this-&gt;to=[];$this-&gt;cc=[];$this-&gt;bcc=[];$this-&gt;all_recipients=[];$this-&gt;RecipientsQueue=[];}public function clearAttachments(){$this-&gt;attachment=[];}public function clearCustomHeaders(){$this-&gt;CustomHeader=[];}protected function setError($msg){++$this-&gt;error_count;if(&#039;smtp&#039;==$this-&gt;Mailer and null!==$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=$msg;}public static function rfcDate(){date_default_timezone_set(@date_default_timezone_get());return date(&#039;D, j M Y H:i:s O&#039;);}protected function serverHostname(){$result=&#039;&#039;;if(!empty($this-&gt;Hostname)){$result=$this-&gt;Hostname;}elseif(isset($_SERVER)and array_key_exists(&#039;SERVER_NAME&#039;,$_SERVER)){$result=$_SERVER[&#039;SERVER_NAME&#039;];}elseif(function_exists(&#039;gethostname&#039;)and gethostname()!==false){$result=gethostname();}elseif(php_uname(&#039;n&#039;)!==false){$result=php_uname(&#039;n&#039;);}if(!static::isValidHost($result)){return &#039;localhost.localdomain&#039;;}return $result;}public static function isValidHost($host){if(empty($host)or!is_string($host)or strlen($host)&gt;256){return false;}if(trim($host,&#039;[]&#039;)!=$host){return (bool) filter_var(trim($host,&#039;[]&#039;),FILTER_VALIDATE_IP,FILTER_FLAG_IPV6);}if(is_numeric(str_replace(&#039;.&#039;,&#039;&#039;,$host))){return (bool) filter_var($host,FILTER_VALIDATE_IP,FILTER_FLAG_IPV4);}if(filter_var(&#039;http://&#039;.$host,FILTER_VALIDATE_URL)){return true;}return false;}protected function lang($key){if(count($this-&gt;language)&lt;1){$this-&gt;setLanguage(&#039;en&#039;);}if(array_key_exists($key,$this-&gt;language)){if(&#039;smtp_connect_failed&#039;==$key){return $this-&gt;language[$key].&#039; https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting&#039;;}return $this-&gt;language[$key];}return $key;}public function isError(){return $this-&gt;error_count&gt;0;}public function addCustomHeader($name,$value=null){if(null===$value){$this-&gt;CustomHeader[]=explode(&#039;:&#039;,$name,2);}else{$this-&gt;CustomHeader[]=[$name,$value];}}public function getCustomHeaders(){return $this-&gt;CustomHeader;}public function msgHTML($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;&#039;/&#039;!=substr($basedir,-1)){$basedir.=&#039;/&#039;;}foreach($images[2]as $imgindex=&gt;$url){if(preg_match(&#039;#^data:(image/(?:jpe?g|gif|png));?(base64)?,(.+)#&#039;,$url,$match)){if(count($match)==4 and static::ENCODING_BASE64==$match[2]){$data=base64_decode($match[3]);}elseif(&#039;&#039;==$match[2]){$data=rawurldecode($match[3]);}else{continue;}$cid=hash(&#039;sha256&#039;,$data).&#039;@phpmailer.0&#039;;if(!$this-&gt;cidExists($cid)){$this-&gt;addStringEmbeddedImage($data,$cid,&#039;embed&#039;.$imgindex,static::ENCODING_BASE64,$match[1]);}$message=str_replace($images[0][$imgindex],$images[1][$imgindex].&#039;=&quot;cid:&#039;.$cid.&#039;&quot;&#039;,$message);continue;}if(!empty($basedir)and(strpos($url,&#039;..&#039;)===false)and 0!==strpos($url,&#039;cid:&#039;)and!preg_match(&#039;#^[a-z][a-z0-9+.-]*:?//#i&#039;,$url)){$filename=static::mb_pathinfo($url,PATHINFO_BASENAME);$directory=dirname($url);if(&#039;.&#039;==$directory){$directory=&#039;&#039;;}$cid=hash(&#039;sha256&#039;,$url).&#039;@phpmailer.0&#039;;if(strlen($basedir)&gt;1 and &#039;/&#039;!=substr($basedir,-1)){$basedir.=&#039;/&#039;;}if(strlen($directory)&gt;1 and &#039;/&#039;!=substr($directory,-1)){$directory.=&#039;/&#039;;}if($this-&gt;addEmbeddedImage($basedir.$directory.$filename,$cid,$filename,static::ENCODING_BASE64,static::_mime_types((string)static::mb_pathinfo($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);}}}}$this-&gt;isHTML(true);$this-&gt;Body=static::normalizeBreaks($message);$this-&gt;AltBody=static::normalizeBreaks($this-&gt;html2text($message,$advanced));if(!$this-&gt;alternativeExists()){$this-&gt;AltBody=&#039;This is an HTML-only message. To view it, activate HTML in your email application.&#039;.static::$LE;}return $this-&gt;Body;}public function html2text($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);}public static function _mime_types($ext=&#039;&#039;){$mimes=[&#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;m4a&#039;=&gt;&#039;audio/mp4&#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;mka&#039;=&gt;&#039;audio/x-matroska&#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;webp&#039;=&gt;&#039;image/webp&#039;,&#039;heif&#039;=&gt;&#039;image/heif&#039;,&#039;heifs&#039;=&gt;&#039;image/heif-sequence&#039;,&#039;heic&#039;=&gt;&#039;image/heic&#039;,&#039;heics&#039;=&gt;&#039;image/heic-sequence&#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;ics&#039;=&gt;&#039;text/calendar&#039;,&#039;xml&#039;=&gt;&#039;text/xml&#039;,&#039;xsl&#039;=&gt;&#039;text/xml&#039;,&#039;wmv&#039;=&gt;&#039;video/x-ms-wmv&#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;mp4&#039;=&gt;&#039;video/mp4&#039;,&#039;m4v&#039;=&gt;&#039;video/mp4&#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;,&#039;webm&#039;=&gt;&#039;video/webm&#039;,&#039;mkv&#039;=&gt;&#039;video/x-matroska&#039;,];$ext=strtolower($ext);if(array_key_exists($ext,$mimes)){return $mimes[$ext];}return &#039;application/octet-stream&#039;;}public static function filenameToType($filename){$qpos=strpos($filename,&#039;?&#039;);if(false!==$qpos){$filename=substr($filename,0,$qpos);}$ext=static::mb_pathinfo($filename,PATHINFO_EXTENSION);return static::_mime_types($ext);}public static function mb_pathinfo($path,$options=null){$ret=[&#039;dirname&#039;=&gt;&#039;&#039;,&#039;basename&#039;=&gt;&#039;&#039;,&#039;extension&#039;=&gt;&#039;&#039;,&#039;filename&#039;=&gt;&#039;&#039;];$pathinfo=[];if(preg_match(&#039;#^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^.\\\\/]+?)|))[\\\\/.]*$#m&#039;,$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 $ret;}}public function set($name,$value=&#039;&#039;){if(property_exists($this,$name)){$this-&gt;$name=$value;return true;}$this-&gt;setError($this-&gt;lang(&#039;variable_set&#039;).$name);return false;}public function secureHeader($str){return trim(str_replace([&quot;\r&quot;,&quot;\n&quot;],&#039;&#039;,$str));}public static function normalizeBreaks($text,$breaktype=null){if(null===$breaktype){$breaktype=static::$LE;}$text=str_replace([&quot;\r\n&quot;,&quot;\r&quot;],&quot;\n&quot;,$text);if(&quot;\n&quot;!==$breaktype){$text=str_replace(&quot;\n&quot;,$breaktype,$text);}return $text;}public static function getLE(){return static::$LE;}protected static function setLE($le){static::$LE=$le;}public function sign($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=$extracerts_filename;}public function DKIM_QP($txt){$line=&#039;&#039;;$len=strlen($txt);for($i=0;$i&lt;$len;++$i){$ord=ord($txt[$i]);if(((0x21 &lt;= $ord)and($ord &lt;= 0x3A))or $ord==0x3C or((0x3E &lt;= $ord)and($ord &lt;= 0x7E))){$line.=$txt[$i];}else{$line.=&#039;=&#039;.sprintf(&#039;%02X&#039;,$ord);}}return $line;}public function DKIM_Sign($signHeader){if(!defined(&#039;PKCS7_TEXT&#039;)){if($this-&gt;exceptions){throw new Exception($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);}if(openssl_sign($signHeader,$signature,$privKey,&#039;sha256WithRSAEncryption&#039;)){openssl_pkey_free($privKey);return base64_encode($signature);}openssl_pkey_free($privKey);return &#039;&#039;;}public function DKIM_HeaderC($signHeader){$signHeader=preg_replace(&#039;/\r\n[ \t]+/&#039;,&#039; &#039;,$signHeader);$lines=explode(&quot;\r\n&quot;,$signHeader);foreach($lines as $key=&gt;$line){if(strpos($line,&#039;:&#039;)===false){continue;}list($heading,$value)=explode(&#039;:&#039;,$line,2);$heading=strtolower($heading);$value=preg_replace(&#039;/[ \t]{2,}/&#039;,&#039; &#039;,$value);$lines[$key]=trim($heading,&quot; \t&quot;).&#039;:&#039;.trim($value,&quot; \t&quot;);}return implode(&quot;\r\n&quot;,$lines);}public function DKIM_BodyC($body){if(empty($body)){return &quot;\r\n&quot;;}$body=static::normalizeBreaks($body,&quot;\r\n&quot;);return rtrim($body,&quot;\r\n&quot;).&quot;\r\n&quot;;}public function DKIM_Add($headers_line,$subject,$body){$DKIMsignatureType=&#039;rsa-sha256&#039;;$DKIMcanonicalization=&#039;relaxed/simple&#039;;$DKIMquery=&#039;dns/txt&#039;;$DKIMtime=time();$subject_header=&quot;Subject:$subject&quot;;$headers=explode(static::$LE,$headers_line);$from_header=&#039;&#039;;$to_header=&#039;&#039;;$date_header=&#039;&#039;;$current=&#039;&#039;;$copiedHeaderFields=&#039;&#039;;$foundExtraHeaders=[];$extraHeaderKeys=&#039;&#039;;$extraHeaderValues=&#039;&#039;;$extraCopyHeaderFields=&#039;&#039;;foreach($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;$current=&#039;date_header&#039;;}elseif(!empty($this-&gt;DKIM_extraHeaders)){foreach($this-&gt;DKIM_extraHeaders as $extraHeader){if(strpos($header,$extraHeader.&#039;:&#039;)===0){$headerValue=$header;foreach($this-&gt;CustomHeader as $customHeader){if($customHeader[0]===$extraHeader){$headerValue=trim($customHeader[0]).&#039;: &#039;.$this-&gt;encodeHeader(trim($customHeader[1]));break;}}$foundExtraHeaders[$extraHeader]=$headerValue;$current=&#039;&#039;;break;}}}else{if(!empty($$current)and strpos($header,&#039; =?&#039;)===0){$$current.=$header;}else{$current=&#039;&#039;;}}}foreach($foundExtraHeaders as $key=&gt;$value){$extraHeaderKeys.=&#039;:&#039;.$key;$extraHeaderValues.=$value.&quot;\r\n&quot;;if($this-&gt;DKIM_copyHeaderFields){$extraCopyHeaderFields.=&#039; |&#039;.str_replace(&#039;|&#039;,&#039;=7C&#039;,$this-&gt;DKIM_QP($value)).&quot;;\r\n&quot;;}}if($this-&gt;DKIM_copyHeaderFields){$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($subject_header));$copiedHeaderFields=&quot;z=$from\r\n&quot;.&quot;|$to\r\n&quot;.&quot;|$date\r\n&quot;.&quot;|$subject;\r\n&quot;.$extraCopyHeaderFields;}$body=$this-&gt;DKIM_BodyC($body);$DKIMlen=strlen($body);$DKIMb64=base64_encode(pack(&#039;H*&#039;,hash(&#039;sha256&#039;,$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;.$this-&gt;DKIM_selector.&quot;;\r\n&quot;.&#039; t=&#039;.$DKIMtime.&#039;; c=&#039;.$DKIMcanonicalization.&quot;;\r\n&quot;.&#039; h=From:To:Date:Subject&#039;.$extraHeaderKeys.&quot;;\r\n&quot;.&#039; d=&#039;.$this-&gt;DKIM_domain.&#039;;&#039;.$ident.&quot;\r\n&quot;.$copiedHeaderFields.&#039; bh=&#039;.$DKIMb64.&quot;;\r\n&quot;.&#039; b=&#039;;$toSign=$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;.$extraHeaderValues.$dkimhdrs);$signed=$this-&gt;DKIM_Sign($toSign);return static::normalizeBreaks($dkimhdrs.$signed).static::$LE;}public static function hasLineLongerThanMax($str){return (bool) preg_match(&#039;/^(.{&#039;.(self::MAX_LINE_LENGTH+strlen(static::$LE)).&#039;,})/m&#039;,$str);}public function getToAddresses(){return $this-&gt;to;}public function getCcAddresses(){return $this-&gt;cc;}public function getBccAddresses(){return $this-&gt;bcc;}public function getReplyToAddresses(){return $this-&gt;ReplyTo;}public function getAllRecipientAddresses(){return $this-&gt;all_recipients;}protected function doCallback($isSent,$to,$cc,$bcc,$subject,$body,$from,$extra){if(!empty($this-&gt;action_function)and is_callable($this-&gt;action_function)){call_user_func($this-&gt;action_function,$isSent,$to,$cc,$bcc,$subject,$body,$from,$extra);}}public function getOAuth(){return $this-&gt;oauth;}public function setOAuth(OAuth $oauth){$this-&gt;oauth=$oauth;}}