Subject: [Gary] Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Wed, 9 Apr 2008 17:46:01 +0400 (MSD)

The original message was received at Wed, 9 Apr 2008 17:42:58 +0400 (MSD)
from catv-141-099.speedinternet.ch [213.196.141.99]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 5.1.1 <[email-masked]>... User unknown)

   ----- Transcript of session follows -----
... while talking to yartelecom.ru.:
>>> DATA
<<< 550 5.1.1 <[email-masked]>... User unknown
550 5.1.1 <[email-masked]>... User unknown
<<< 503 5.0.0 Need RCPT (recipient)