avp & sendmail

как сделать так чтобы
avp не присылал следующее :

Date: Tue, 16 Jul 2002 20:48:06 -0400
From: andrew@xxx.com      <- пользователь антивинуса
To: andrew@xxx.com
Subject: Virus found in message to you!
Parts/Attachments:
   1   Shown   ~39 bytes  Text (charset: KOI8-R)
   2   Shown    34 KB     Message, "test 12"
   2.1 Shown     2 lines  Text
   2.2          25 KB     Application, ""
----------------------------------------

    [ The following text is in the "koi8-r" character set. ]
    [ Your display is set for the "ISO-8859-1" character set.  ]
    [ Some characters may be displayed incorrectly. ]

User $f send to you message with virus!
    [ Part 2: "Included Message" ]

Date: Tue, 16 Jul 2002 21:01:25 +0400 (MSD)
From: Panphilov Andrew <borisych@dgap.mipt.ru>
To: andrew@xxx.com
Subject: test 12

test 12


то есть он говорит что письмо с вирусом
и всё равно его показывает !