Zend Framework- Sending mails

    function doSendMail( $param ) {
       
       
        $mail = new Zend_Mail();
        $mail->setType(Zend_Mime::MULTIPART_RELATED);
        $mail->setReplyTo("PGMS-".$param['user_id'].'-'.$param['touser_id']."-TP".date("H:i:s").'@linkprime.com',"playergrid");
        $mail->setBodyHtml($param['email_body']);
        $mail->setFrom($param['from'], $param['fromname']);
        $mail->addTo($param['to'],$param['toname']);
        if($param['calendar']==1)
        {
         $mail->addCc(array("playergrid<PGMS-c-".$param['event_id']."-".$param['reply_to']."-".$param['event_flag']."-TP".date("H:i:s")."@linkprime.com>"));
        }
        else
        $mail->addCc($param['cc']);
        $mail->addBcc($param['bcc']);
        $mail->setSubject($param['subject']);
        if($mail->send())
            return 1;
        else
            return 0;
    }