[Plugin: WP Mail SMTP] Emails come from username@{site_url}

Hi,

I am having this odd bug. If I choose the SMTP option then send a test email, I don’t get any email. The debug error gives me this bit:

object(PHPMailer)#103 (58) {
[“Priority”]=>
int(3)
[“CharSet”]=>
string(5) “UTF-8”
[“ContentType”]=>
string(10) “text/plain”
[“Encoding”]=>
string(4) “8bit”
[“ErrorInfo”]=>
string(125) “The following From address failed: mail@{site_url}
SMTP server error: : domain missing or malformed

If I use phpmailer I receive the test email.

Here is how the email headers look like when they arrive:

To: iskandarreza@gmail.com
Subject: WP Mail SMTP: Test mail to iskandarreza@gmail.com
Date: Sun, 9 Sep 2012 05:17:15 +0000
From: Demo Site <mail@{site_url}>

Its not saving the From email settings, leaving it as a variable even though it is saved in the settings in the admin end.

What could the problem be?

http://wordpress.org/extend/plugins/wp-mail-smtp/