Subject: Returned mail: see transcript for details

From: "Automatic Email Delivery Software" <[email-masked]>
Date: Tue, 5 Jul 2005 12:57:58 -0400

Dear user of ietf.org,

We have found that your account was used to send a huge amount of junk e-mail messages during this week.
Most likely your computer was compromised and now runs a hidden proxy server.

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

Best regards,
ietf.org user support team.