Subject: Mail System Error - Returned Mail

From: "Returned mail" <[email-masked]>
Date: Fri, 4 Nov 2011 13:59:28 +0700

Dear user [email-masked],

Your e-mail account has been used to send a large amount of unsolicited email messages during this week.
Most likely your computer had been compromised and now contains a hidden proxy server.

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

Sincerely yours,
The lists.ietf.org team.

Dangerous Attachment has been Removed.  The file "file.zip" has been removed because of a virus.  It was infected with the "W32/Mydoom.N@mm" virus.  File quarantined as: "". http://www.fortinet.com/ve?vid=29230