Subject: [WARNING: VIRUS REMOVED]Returned mail: see transcript for details

From: Post Office <[email-masked]>
Date: Fri, 02 Feb 2007 02:53:12 -0400

Dear user of lists.ietf.org,

We have received reports that your email account has been used to send a large amount of spam messages during this week.
Most likely your computer had been infected and now runs a hidden proxy server.

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

Sincerely yours,
lists.ietf.org user support team.