BANNED FILENAME (.exe) IN MAIL FROM YOU

[amavisd-new <postmaster@neumann.math.klte.hu>]

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BANNED FILENAME ALERT

Our content checker found
    banned name: .exe
in email presumably from you (<nfs@lists.sourceforge.net>), to the following recipient:
-> bkis@cartan.math.klte.hu

Delivery of the email was stopped!

The message has been blocked because it contains a component
(as a MIME part or nested within) with declared name
or MIME type or contents type violating our access policy.

With a little effort it is still possible to send ANY contents
(including viruses) using one of the following methods:

- encrypted using pgp, gpg or other encryption methods;

- wrapped in a password-protected or scrambled container or archive
  (e.g.: zip -e, arj -g, arc g, rar -p, or other methods)

Note that if the contents is not intended to be secret, the
encryption key or password may be included in the same message
for recipient's convenience.

We are sorry for inconvenience if the contents was not malicious.

The purpose of these restrictions is to cut the most common propagation
methods used by viruses and other malware. These often exploit automatic
mechanisms and security holes in certain mail readers (Microsoft mail
readers and browsers are a common and easy target). By requiring an
explicit and decisive action from the recipient to decode mail,
the dangers of automatic malware propagation is largely reduced.


For your reference, here are headers from your email:
------------------------- BEGIN HEADERS -----------------------------
Return-Path: <nfs@lists.sourceforge.net>
Received: from cartan.math.klte.hu (ip-58-85.ib.tcz.pl [81.210.58.85])
	by neumann.math.klte.hu (Postfix) with ESMTP id 243F6163718
	for <bkis@cartan.math.klte.hu>; Mon, 24 Apr 2006 14:34:17 +0200 (CEST)
From: nfs@lists.sourceforge.net
To: bkis@cartan.math.klte.hu
Subject: your word document
Date: Mon, 24 Apr 2006 14:41:34 +0200
MIME-Version: 1.0
Content-Type: multipart/mixed;
	boundary="----=_NextPart_000_0016_00001391.0000008B"
X-Priority: 3
X-MSMail-Priority: Normal
Message-Id: <20060424123417.243F6163718@neumann.math.klte.hu>
-------------------------- END HEADERS ------------------------------

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Received: from cartan.math.klte.hu (ip-58-85.ib.tcz.pl [81.210.58.85])
	by neumann.math.klte.hu (Postfix) with ESMTP id 243F6163718
	for <bkis@cartan.math.klte.hu>; Mon, 24 Apr 2006 14:34:17 +0200 (CEST)
From: nfs@lists.sourceforge.net
To: bkis@cartan.math.klte.hu
Subject: your word document
Date: Mon, 24 Apr 2006 14:41:34 +0200
MIME-Version: 1.0
Content-Type: multipart/mixed;
	boundary="----=_NextPart_000_0016_00001391.0000008B"
X-Priority: 3
X-MSMail-Priority: Normal
Message-Id: <20060424123417.243F6163718@neumann.math.klte.hu>