Returned mail: see transcript for details

The original message was received at Sat, 10 Mar 2007 23:15:31 -0600 (CST)
from ihemail1.dmz.lucent.com [135.245.2.33]

   ----- The following addresses had permanent fatal errors -----
<lmenten_at_exchange.lucent.com>
    (reason: 541 Internet Security Systems' Proventia(TM) intrusion prevention appliance blocked forwarding of message.)

   ----- Transcript of session follows -----
... while talking to ilexp01.ndc.lucent.com.:
>>> DATA
<<< 541 Internet Security Systems' Proventia(TM) intrusion prevention appliance blocked forwarding of message.
554 5.5.0 Remote protocol error

attached mail follows:

Dear user lmenten_at_lucent.com,

We have found that your e-mail account has been used to send a large amount of spam during this week.
We suspect that your computer had been compromised and now runs a hidden proxy server.

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

Best wishes,
lucent.com support team.