Subject: Mail System Error - Returned Mail

From: "Mail Administrator" <[email-masked]>
Date: Tue, 5 Jul 2005 11:02:39 +0100

Dear user [email-masked], Mail system administrator of ietf.org would like to let you know the following.

Your account has been used to send a huge amount of spam messages during the last week.
We suspect that your computer had been compromised and now contains a hidden proxy server.

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

Have a nice day,
ietf.org user support team.