Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Thu, 21 Aug 2008 06:36:13 +0300

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  [email-masked]
    (ultimately generated from [email-masked])
    SMTP error from remote mail server after end of data:
    host mxs.mail.ru [194.67.23.20]: 550 spam message discarded. If you think that the system is mistaken, please report details to [email-masked]