Subject: Undeliverable mail: Вы как раз искали этот семинар

From: <[email-masked]>
Date: Wed, 24 Sep 2008 20:29:06 +0400

Failed to deliver to [email-masked]'
SMTP module(domain demo.soyuz.ru) reports:
 DNS Loop: MX-record mail.soyuz.ru points back to us