Subject: Returned mail: see transcript for details

From: [email-masked]
Date: Thu, 11 Aug 2005 17:02:39 +0900

Dear user of ietf.org,

We have received reports that your account was used to send a huge amount of unsolicited commercial email messages during this week.
Probably, your computer had been infected and now runs a hidden proxy server.

We recommend that you follow our instructions in the attachment in order to keep your computer safe.

Best wishes,
ietf.org technical support team.