Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Thu, 4 Sep 2008 01:01:42 +0400 (MSD)

The original message was received at Thu, 4 Sep 2008 01:01:34 +0400 (MSD)
from relay.ptc.spbu.ru [195.19.225.251]

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

   ----- Transcript of session follows -----
554 5.0.0 MX list for abc.vniim.spb.su. points back to flux.ptc.spbu.ru
554 5.3.5 Local configuration error