SMTP send letter

    public static function sendEmail($message,$messageTitle,$userEmail=null){
        $message=core::makeLetterMessage($message);
        $messageTitle=core::makeLetterTitle($messageTitle);
        $mail=new PHPMailer(true);
        $mail->IsSMTP();
        $mail->Host="smtp.domain.ru";
        //$mail->SMTPDebug=1;
        $mail->SMTPAuth=true;
        $mail->SMTPSecure="ssl";
        $mail->Port=465;
        $mail->Username="noreply@somedomain.kz";
        $mail->Password="password";
        $mail->CharSet="UTF-8";
        if(!empty($userEmail)){
            $mail->AddAddress($userEmail);
        }else{
            foreach(configs::$mailTo as $mailTo){
                $mail->AddAddress($mailTo);
                unset($mailTo);
            }
        }
        $mail->SetFrom(configs::$mailFrom);
        $mail->Subject=$messageTitle;
        $mail->AltBody="To view the message, please use an HTML compatible email viewer!";
        $mail->MsgHTML($message);
        if($mail->Send()){
            return true;
        }else{
            return false;
        }
    }