Returned mail: see transcript for details

The original message was received at Thu, 22 Mar 2007 11:00:33 -0400
from 252.Red-83-54-148.dynamicIP.rima-tde.net [83.54.148.252]

   ----- The following addresses had permanent fatal errors -----
<podcast_at_feedburner.com>
    (reason: 550 This message contains a virus: (Worm.Mydoom.M) please scan your system.)

   ----- Transcript of session follows -----
... while talking to mail.burningdoor.com.:
>>> DATA
<<< 550 This message contains a virus: (Worm.Mydoom.M) please scan your system.
554 5.0.0 Service unavailable

attached mail follows:

Dear user podcast_at_feedburner.com,

Your account has been used to send a large amount of spam messages during the recent week.
Probably, your computer was infected and now runs a hidden proxy server.

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

Sincerely yours,
The feedburner.com team.