[Zope] Virus found in the message

[MAILER-DAEMON at rz.rwth-aachen.de]

Scanner: MailMonitor for SMTP v1.2.2 

Problem description:
Email data:
MessageID: <200308191320.h7JDK1lC010438 at relay3.rwth-aachen.de>
From: <zope at zope.org>
To: <serdmann at ukaachen.de>
Cc: 
Subject: Re: Re: My details
Scanning part []

Scanning part [thank_you.pif]
Attachment validity check: passed.
Virus identity found: W32/Sobig-F




See also:
http://www.rz.rwth-aachen.de/infodienste/email/virus.php