SMTP Error: Could not connect to SMTP host. ถามเรื่องส่งเมล์ผ่าน PHP Mailer ถามเรื่องส่งเมล์ผ่าน PHP Mailer คือว่าอยู่ก็อยากลองเขียนการส่งเมล์

     SMTP Error: Could not connect to SMTP host. 
   

<?php  
	require_once("class/class.phpmailer.php"); 
	require_once("class/class.smtp.php");

$mail = new PHPMailer();   
$mail->IsHTML(true);   
$mail->IsSMTP();  
$mail->CharSet = "utf-8";
$mail->SMTPAuth = true; // enable SMTP authentication  
$mail->SMTPSecure = "ssl"; // sets the prefix to the servier  
$mail->Host = "smtp.gmail.com"; // sets GMAIL as the SMTP server   
$mail->Port = 465; // set the SMTP port for the GMAIL server   
$mail->Username = "[email protected]"; // GMAIL username    
$mail->Password = "mail_g"; // GMAIL password    
$mail->From = "[email protected]"; // "[email protected]";   
//$mail->AddReplyTo = "[email protected]"; // Reply   
$mail->FromName = "Miss Nardanong Sukbua";  // set from Name   
$mail->Subject = "Sending mail with PHPMailer.";    
$mail->Body = "My Body & <b>My Description</b>";   
$mail->AddAddress("[email protected]", "Mr.Adisorn Boonsong"); // to Address   
$mail->AddAttachment("zip/PHPMailer_v5.1.zip");   
//$mail->AddAttachment("zip/PHPMailer_v5.2.zip");   
$mail->AddCC("[email protected]", "Miss Nardanong Sukbua"); //CC   
//$mail->AddBCC("[email protected]", "Mr.Member ShotDev"); //BCC 
  
$mail->set('X-Priority', '1'); //Priority 1 = High, 3 = Normal, 5 = low :Security

if(!$mail->Send()) {
    echo "Mailer Error: " . $mail->ErrorInfo;
	return false;
	} else {
    echo "Message sent!";
	return true;
}

?>