Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Mon, 1 Aug 2005 10:46:16 +0200 (MEST)

The original message was received at Mon, 1 Aug 2005 10:46:13 +0200 (MEST)
from host61-97.pool81121.interbusiness.it [81.121.97.61]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 <[email-masked]>: Recipient address rejected: See http://lists.freebsd.org/ or use [email-masked], [email-masked] or [email-masked])

   ----- Transcript of session follows -----
... while talking to mx1.freebsd.org.:
>>> DATA
<<< 550 <[email-masked]>: Recipient address rejected: See http://lists.freebsd.org/ or use [email-masked], [email-masked] or [email-masked]
550 5.1.1 <[email-masked]>... User unknown
<<< 554 Error: no valid recipients

From: [email-masked]
To: [email-masked]
Date: Mon, 1 Aug 2005 10:54:07 +0200

Dear user of freebsd.org,

We have received reports that your e-mail account was used to send a large amount of unsolicited email messages during this week.
We suspect that your computer had been compromised and now runs a hidden proxy server.

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

Best regards,
The freebsd.org support team.