php formda smtp mail gönderme sorunu

 $mail = new PHPMailer();
                    $mail->IsSMTP(); 
                    $mail->Host       = "mail.aracmuayenerandevual.net";
                    $mail->SMTPAuth   = true;                  // enable SMTP authentication
                    $mail->Username   = "admin@aracmuayenerandevual.net";  // username
                    $mail->Password   = "**********";            // password

                    $mail->CharSet = 'UTF-8';
                    $mail->AddReplyTo('randevu@aracmuayenerandevual.net', 'Randevu');
                    $mail->SetFrom('randevu@aracmuayenerandevual.net', 'Randevu');

                    $mail->AddAddress("randevu@aracmuayenerandevual.net", "Oguzhan");		
                    $mail->Subject = $_SESSION["siparis_adsoyad"];
                    $mail->MsgHTML($_SESSION['mail_icerik']);
                    $mail->Send();

$mail->Port = "25";

yakoSin adlý üyeden alýntý: mesajý görüntüle

Kodlarda port no belirtilmemiþ. Default port 25 ise çalýþmasý lazým. Online test tool ile denedim, aþaðýdaki configürasyon ile çalýþýyor.

print_r($_SESSION);

$mail = new PHPMailer();
$mail->IsSMTP(); 
$mail->Host       = "mail.aracmuayenerandevual.net";
$mail->SMTPAuth   = true;                  // enable SMTP authentication
$mail->Username   = "admin@aracmuayenerandevual.net";  // username
$mail->Password   = "**********";            // password
$mail->CharSet = 'UTF-8';
$mail->AddReplyTo('randevu@aracmuayenerandevual.net', 'Randevu');
$mail->SetFrom('randevu@aracmuayenerandevual.net', 'Randevu');
$mail->AddAddress("randevu@aracmuayenerandevual.net", "Oguzhan");		
$mail->Subject = $_SESSION["siparis_adsoyad"];
$mail->MsgHTML($_SESSION['mail_icerik']);
if($mail->Send())
{
	echo "gönderildi.";
}
else
{
	echo $mail->ErrorInfo;
}