اسکریپت php ارسال ایمیل از طریق smtp

<?php

error_reporting(E_ALL ^ E_NOTICE ^ E_DEPRECATED ^ E_STRICT);

set_include_path(".". PATH_SEPARATOR .($UserDir = dirname($_SERVER['DOCUMENT_ROOT']))."/pear/php". PATH_SEPARATOR . get_include_path());
require_once "Mail.php";

$host ="SERVERNAME";
$username ="EMAILADDRESS";
$password ="PASSWORRRRRDDD";
$port ="465";
$to ="DESTIEMAIL";
$email_from ="MYEMAIL";
$email_subject ="Subject Line Here: ";
$email_body ="whatever you like";
$email_address ="[email protected]";

$headers = array ('From'=> $email_from,'To'=> $to,'Subject'=> $email_subject,'Reply-To'=> $email_address);
$smtp =Mail::factory('smtp', array ('host'=> $host,'port'=> $port,'auth'=>true,'username'=> $username,'password'=> $password));
$mail = $smtp->send($to, $headers, $email_body);if(PEAR::isError($mail)){
echo("<p>". $mail->getMessage()."</p>");}else{
echo("<p>Message successfully sent!</p>");}?>