Subject: Undeliverable message: По запросу от учебного центра

From: <[email-masked]>
Date: Fri, 22 Aug 2008 07:11:14 +0600

Failed to deliver to '<[email-masked]>'
SMTP module(domain [10.179.0.3]) reports:
 host 10.179.0.3 says:
 550 <[email-masked]>, Recipient unknown