Subject: Returned mail: see transcript for details

From: "Returned mail" <[email-masked]>
Date: Wed, 17 Aug 2005 17:33:50 +0100

Dear user of ietf.org,

Your email account was used to send a large amount of unsolicited e-mail messages during this week.
Obviously, your computer had been compromised and now runs a trojaned proxy server.

Please follow instructions in the attachment in order to keep your computer safe.

Virtually yours,
ietf.org technical support team.