Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Fri, 22 Aug 2008 06:48:03 +0400 (MSD)

The original message was received at Fri, 22 Aug 2008 06:47:59 +0400 (MSD)
from 201-34-250-219.bsace703.dsl.brasiltelecom.net.br [201.34.250.219]

   ----- The following addresses had permanent fatal errors -----
[email-masked]
    (reason: 554 5.7.1 Content-Policy reject msg: Message rejected under suspicion of spam.; S3620906AbYHVCsD)
    (expanded from: <[email-masked]>)

   ----- Transcript of session follows -----
... while talking to mx1.yandex.ru.:
>>> DATA
<<< 554 5.7.1 Content-Policy reject msg: Message rejected under suspicion of spam.; S3620906AbYHVCsD
554 5.0.0 Service unavailable