Can't receive mail - Relaying disallowed error with PHPMailer

Can't receive mail - Relaying disallowed error with PHPMailer

I'm trying to set up a contact form for one of my clients.
I am using PHPMailer for that effect.

I can send mails from the zoho email account easily but when I try to send an email to the zoho account, i get this error:

SMTP -> FROM SERVER:553 Relaying disallowed 
SMTP -> ERROR: DATA not accepted from server: 553 Relaying disallowed 

What I am trying to do is to send an email to my zoho account ("info@asianaservices.com") with the form data entered by the user as the body.

The PHP code I'm using is as follows:





$mail2 = new PHPMailer();

$mail2->IsSMTP(); // set mailer to use SMTP
$mail2->SMTPDebug  = 2;
$mail2->Host = "smtp.zoho.com";  // specify main and backup server
$mail2->SMTPAuth = true;     // turn on SMTP authentication
$mail2->SMTPSecure = "ssl";
$mail2->Port = 465;
$mail2->Username = "info@asianaservices.com";  // SMTP username
$mail2->Password = "*****"; // SMTP password

$mail2->From = $from; // $from is the user's email address which is received from the form
$mail2->AddAddress("info@asianaservices.com"); 

If I change the "$mail2->From = $from" to "$mail2->From = "info@asianaservices.com"", no errors are displayed but I never get the mail in the inbox.

Thank you for any help that you can provide.