Forged Outlook false positive

[Paolo Cravero as2594 <pc...@as2594.net>]

Hi,
these headers trigger the FORGED_MUA_OUTLOOK check on 2.64 and 3.1.0:

X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13)
X-Spam-Level: *
X-Spam-Status: No, score=1.6 required=5.0 tests=BAYES_00,FORGED_MUA_OUTLOOK,
         FORGED_RCVD_HELO autolearn=no version=3.1.0
Received: from xx.yy.yu (user-broadband-wireless-2.4GHz-1.xx.yy.yu 
[1.2.3.4])
         by zz.yy.it (Postfix) with ESMTP id 90F881A3A14
         for <aa...@yy.it>; Mon, 23 Jan 2006 07:52:38 +0100 (CET)
Received: from galerija2 ([192.168.13.195])
         by xx.yy.yu (kg.org.yu [192.168.13.5])
         (MDaemon.PRO.v6.8.5.R)
         with ESMTP id 1-md50000000001.tmp
         for <aa...@yy.it>; Mon, 23 Jan 2006 07:52:57 +0100
Message-ID: <DB...@kgh.yy.oo.yu>
From: "International" <i...@xx.yy.yu>
To: "L R" <aa...@cc.tt.it>
References: <00...@cc.tt.it>
Subject: Read: ok subject line
Date: Mon, 23 Jan 2006 07:52:56 +0100
MIME-Version: 1.0
Content-Type: multipart/report;
         report-type=disposition-notification;
         boundary="----=_NextPart_000_0006_01C61FF2.05C6A910"
X-Mailer: Microsoft Outlook Express 5.50.4952.2800
X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4952.2800
X-MDRemoteIP: 192.168.13.195
X-Return-Path: i@xx.yy.yu
X-MDaemon-Deliver-To: aa.bb@cc.yy.it

What is wrong with these? This should be a Return Receipt sent by OE 
through a MDaemon SMTP server (whose behavior is to me unknown). Does it 
change Message-ID?!

TIA,
Paolo