westdc-zf1/application/models/WestdcMailer.php

<?php
class WestdcMailer extends Zend_Mail  {
	private $tr; //smtp class
	function __construct($smtp){
		$this->tr=new Zend_Mail_Transport_Smtp($smtp->host,
					array('ssl' => $smtp->ssl,
					'auth'=>$smtp->auth,
					'port'=> $smtp->port,
					'username'=>$smtp->username,
					'password'=>$smtp->password));
		parent::__construct('utf-8');
	}
	function send()
	{
		return parent::send($this->tr);
	}
}