Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Wed, 15 Oct 2008 18:21:00 +0400 (MSD)

The original message was received at Wed, 15 Oct 2008 18:20:58 +0400 (MSD)
from [217.156.76.82]

   ----- The following addresses had permanent fatal errors -----
[email-masked]
    (reason: 554 5.7.1 Content-Policy reject msg: Message rejected under suspicion of spam.; S9848238AbYJOOU7)
    (expanded from: <[email-masked]>)

   ----- Transcript of session follows -----
... while talking to mx3.yandex.ru.:
>>> DATA
<<< 554 5.7.1 Content-Policy reject msg: Message rejected under suspicion of spam.; S9848238AbYJOOU7
554 5.0.0 Service unavailable