Returned mail: see transcript for details

The original message was received at Sat, 17 Nov 2007 15:34:15 +0600
from [203.190.0.177]

   ----- The following addresses had permanent fatal errors -----
<scheng_at_cs.ust.hk>
    (reason: 550 5.7.1 virus alert: W32/MyDoom-O)

   ----- Transcript of session follows -----
... while talking to mail.cs.ust.hk.:
>>> DATA
<<< 550 5.7.1 virus alert: W32/MyDoom-O
554 5.0.0 Service unavailable

attached mail follows:

The original message was received at Sat, 17 Nov 2007 15:35:17 -0800 from 53.8.51.143

----- The following addresses had permanent fatal errors -----
<scheng_at_cs.ust.hk>