ทำหน้า Contact Form แล้ว ใช้ Script PHPMailer แต่มัน Error ว่า SMTP Error: Could not connect to SMTP host.

require_once('class/class.phpmailer.php'); 
require_once('class/class.smtp.php');
require_once('class/class.pop3.php');

////////////////////////phpmailer//////////////////////////
$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.toscanavalley.com"; // sets  as the SMTP server  
$mail->Port = 25; // set the SMTP port for the  server   
$mail->Username = "[email protected]"; //  username 
$mail->Password = "7896"; //  password    
$mail->From = "$email"; // "[email protected]";   
$mail->FromName = "$name";  // set from Name   
$mail->Subject = "Contact Hotel La casetta at Toscana Valley .";    
$mail->Body ="To Hotel La casetta <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You have new E-amil from your Customer<br><br> ".
	"Name : $name<br>".
	"Email: $email<br>".
	"Phone : $phone<br>".
	"Subject : $subject<br>".
	"Message : $message<br><br>".
	"Thank <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; From Automatic E-mail systems.";
	
$mail->AddAddress("[email protected]", "nardanong.s"); // to Address   
//$mail->AddAttachment("zip/PHPMailer_v5.1.zip");   
//$mail->AddAttachment("zip/PHPMailer_v5.2.zip");   
//$mail->AddCC("[email protected]", "Nardanong Sukbua"); //CC   
//$mail->AddBCC("[email protected]", "Nannapas"); //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;
}
?>