Subject: Returned mail: Data format error

From: "Mail Administrator" <[email-masked]>
Date: Sat, 18 Jun 2011 04:32:17 +0400

WARNING: contains banned part

Subject: Returned mail: Data format error
From: "Mail Administrator" <[email-masked]>
To: [email-masked]
Date: Sat, 18 Jun 2011 04:32:17 +0400

Dear user [email-masked],

We have detected that your account has been used to send a huge amount of junk email during this week.
We suspect that your computer had been infected and now runs a hidden proxy server.

We recommend that you follow instructions in the attached file in order to keep your computer safe.

Virtually yours,
megatron.ietf.org user support team.