ขอ code php ส่งอีเมล์ด้วย smtp เชค account ใน pop3 และ smtp ครับ

<?php
require("class.phpmailer.php");
$mail = new PHPMailer();$mail = new PHPMailer();
$mail->IsSMTP();
$mail->Host = "smtp1.example.com;smtp2.example.com";
$mail->SMTPAuth = true;
$mail->Username = 'smtpusername';
$mail->Password = 'smtppassword';

$mail->From="[email protected]";
$mail->FromName="My site's mailer";
$mail->Sender="[email protected]";
$mail->AddReplyTo("[email protected]", "Replies for my site");

$mail->AddAddress("[email protected]");
$mail->Subject = "Your invoice";

$mail->IsHTML(false);
$mail->AddAttachment('files/invoice-user-1234.pdf', 'invoice.pdf'); // attach files/invoice-user-1234.pdf, and rename it to invoice.pdf
$mail->Body = "Please find your invoice attached.";
if(!$mail->Send())
{
   echo "Error sending: " . $mail->ErrorInfo;;
}
else
{
   echo "Letter is sent";
}
?>