Subject: Undeliverable mail: От учебного центра по Вашему запросу

From: <[email-masked]>
Date: Wed, 08 Oct 2008 22:40:47 +0600

Failed to deliver to [email-masked]'
SMTP module(domain [192.168.2.120]) reports:
 host 192.168.2.120 says:
 550 <[email-masked]>: Recipient address rejected: User unknown in local recipient table