Invalid content in mail message (message rejected)

[Mail Delivery Subsystem <postmaster@mailhost.vniitemr.local>]

This is an informative message sent by Kerio MailServer 5.6.8 at mailhost.vniitemr.local.

Your mail message did not pass the server content filter:

  From: <bmg@graphics.csail.mit.edu>
  To: <oleg@hinco.ru>
  Subject: Re: product
  Date: Wed, 8 Sep 2004 19:49:12 +0400

  Problem: Virus found
  MIME type: application/octet-stream
  File name: product.zip
  Virus name: W32/Netsky.p@MM
  Antivirus: McAfee Scanning Engine (4389/4.2.60)



The message was rejected by the server and was not delivered to the recipient.
Please correct all reported problems and try to send the message again.