Subject: Undeliverable mail: Каким образом разработать бизнес план?

From: <[email-masked]>
Date: Tue, 23 Sep 2008 21:04:52 +0400

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