Bitrix custom_mail function with PHPMailer

init.php

<?
function custom_mail($to, $subject, $message, $additional_headers, $additional_parameters){
  	//Получаем тему письма
	$elements = imap_mime_header_decode($subject);
	$title =  '';
	for ($i=0; $i<count($elements); $i++) {
		$title .= $elements[$i]->text;
	}

	//В файле  PHPMailerAutoload.php на строке 24
        //добавляем проверку
	//if( !function_exists('PHPMailerAutoload') ){}

	require_once($_SERVER['DOCUMENT_ROOT'].'/cron/phpmailer/PHPMailerAutoload.php');
	$mail = new PHPMailer;
	$mail->SMTPDebug = true;
	$mail->isSMTP();
	$mail->CharSet  = 'UTF-8';
	$mail->setLanguage('ru');
  	// Set mailer to use SMTP
	$mail->Host = 'smtp.yandex.ru';  // Specify main and backup SMTP servers
	$mail->SMTPAuth = true; // Enable SMTP authentication
	$mail->Username = ''; // SMTP username
	$mail->Password = ''; // SMTP password
	$mail->SMTPSecure = 'ssl'; // Enable TLS encryption, `ssl` also accepted
	$mail->Port = 465;

	$mail->From = 'email@from';
	$mail->FromName = 'Test';
	$mail->isHTML(true);
	$mail->Subject = $text;
	$mail->Body    = $message;
	$mail->addAddress($to);
	if(!$mail->send()) {
		echo $mail->ErrorInfo;
	}
	$mail->clearAddresses();
	$mail->ClearCustomHeaders();
}

You should set "return;" at the end of function. In my case, without "return;" I get a copy of mail every minute by CRON.

https://gist.github.com/vadim-ontech/ec19074bfa7715a66339#file-init-php-L31 31 line should be $title