Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Wed, 27 Aug 2008 09:28:22 +0400

The original message was received at Wed, 27 Aug 2008 09:28:19 +0400
from [211.226.109.42]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: User unknown)

   ----- Transcript of session follows -----
550 5.1.1 <[email-masked]>... User unknown