I am using windows 2000 server with exchange 2000 server.
Recently, I am finding , somany mails are coming with 'WARNING VIRUS FOUND!!!' subject.
these mails are actually not sent from our domain users, but receipent domain is returning to our domain.
Here I am clipping the one return mail .
From: mail daemon <firstname.lastname@example.org>
Date: Fri, 10 Feb 2006 11:36:34 +0100
To: <email@example.com>, Vishu Hiriadka <firstname.lastname@example.org>, <email@example.com>
Subject: WARNING VIRUS FOUND!!!
A message sent by: firstname.lastname@example.org
Date: Fri, 10 Feb 2006 11:32:06 -0800
Did not reach it's recipient(s) because the following virus was found:
Virus found in attachment important_document2.pif
------ End of Forwarded Message
Please guide me, How i can block these kind of mails.