$mail =& JFactory::getMailer();
$email_sent = $mail->sendMail(
        $from_email,
        $from_name,
        $to_email,
        $subject,
        $email_body,
        $sendas,
        $cc_emails,
        $bcc_emails,
        $email_attachments,
        $reply_to_email,
        $reply_to_name );
if($email_sent) {
    echo "Mail sent.";
} else {
    echo "Mail NOT sent.";
}

if($send!==true)
{
 $error=$send->__toString();
}