Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Fri, 22 Aug 2008 06:49:44 +0400 (MSD)

The original message was received at Fri, 22 Aug 2008 06:49:16 +0400 (MSD)
from s201h224o4nst2.dyn.tyfon.se [62.63.201.224]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>

   ----- Transcript of session follows -----
554 5.0.0 MX list for val1.usr.pu.ru. points back to relay.ptc.spbu.ru
554 5.3.5 Local configuration error