Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Tue, 26 Aug 2008 22:26:25 GMT

The original message was received at Tue, 26 Aug 2008 22:26:22 GMT
from [87.255.192.18]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 spam message discarded. If you think that the system is mistaken, please report details to [email-masked])

   ----- Transcript of session follows -----
... while talking to mxs.mail.ru.:
>>> DATA
<<< 550 spam message discarded. If you think that the system is mistaken, please report details to [email-masked]
554 5.0.0 Service unavailable