ช่วยทีครับผมเขียน Code phpmailler แล้ว รันไม่ขึ้น error ขึ้นว่าส่งสำเร็จแต่ไม่มีเมลมายังเมลปลายทางอะครับ

$mail = new PHPMailer();
	$mail->IsHTML(true);
	$mail->IsSMTP();
	$mail->SMTPAuth = true; // enable SMTP authentication
	$mail->SMTPSecure = ""; // sets the prefix to the servier
	$mail->Host = "mail.myhost.com"; // sets GMAIL as the SMTP server
	$mail->Port = 25; // set the SMTP port for the GMAIL server
	$mail->Username = "[email protected]"; // GMAIL username
	$mail->Password = "123456"; // GMAIL password
	$mail->From = "[email protected]"; // "[email protected]";
	
	$mail->FromName = "my name";  // set from Name
	$mail->Subject = "Test sending mail."; 
	$mail->Body = "My Body & <b>My Description</b>";

	$mail->AddAddress("[email protected]", "test"); // to Address

	$r = $mail->Send(); 
        var_dump($r);