MDaemon Warning - virus found: Returned mail: Data format error

[Automatic Email Delivery Software]

******************************* WARNING ******************************
Este mensaje ha sido analizado por MDaemon AntiVirus y ha encontrado 
un fichero anexo(s) infectado(s).  Por favor revise el reporte de abajo.

Attachment                    Virus name               Action taken
----------------------------------------------------------------------
tis.zip                       Email-Worm.Win32.Mydoom.m Removed


**********************************************************************


The original message was received at Fri, 4 Feb 2005 18:30:02 +0100
from python.org [222.131.140.165]

----- The following addresses had permanent fatal errors -----
<python-list at python.org>

----- Transcript of session follows -----
... while talking to mail server 90.160.46.39:
>>> DATA
<<< 400-aturner; %MAIL-E-OPENOUT, error opening !AS as output
<<< 400-aturner; -RMS-E-CRE, ACP file create failed
<<< 400