DATE_IN_FUTURE_03_06 matches wrongly

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sk777
Posts: 1
Joined: 22 Aug 2019 09:08

DATE_IN_FUTURE_03_06 matches wrongly

Post by sk777 »

For some time the Matching Rule DATE_IN_FUTURE_03_06 scores at many mails for no obvious reason.

Score Matching Rule Description
3.03 DATE_IN_FUTURE_03_06 Date: is 3 to 6 hours after Received: date


It occurs to several sending domains. But the system time displayed in our EFA system is correct.


This is the Message Header of an example received mail:

Received on: 21/08/19 13:24:57
[...]
Received: from mail.*********.de (mail.*********.de [**.***.**.**])
by mail2.***.de (Postfix) with ESMTP id 1483511C88
for <*******.********@***.de>; Wed, 21 Aug 2019 09:06:13 +0200 (CEST)
From: ****** ********** <*.**********@*********.de>
To: ******* ******* <*******.********@***.de>
Subject: Info
Thread-Topic: Info
Thread-Index: AdVYEwbpn9yUfSdYRfiHJCoECm9amw==
Date: Wed, 21 Aug 2019 11:24:42 +0000
Message-ID: <7934E0BF-118C-4A62-99CE-B55EFC53A1C0@*********.de>
Accept-Language: de-DE, en-US
Content-Language: de-DE
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
Content-Type: text/plain; charset="utf-8"
Content-ID: <2BE34BEBB0A7AD48A8FF71FE510D2501@***.loc>
Content-Transfer-Encoding: base64
MIME-Version: 1.0

It's a very annoying problem because the score of this matching rule is 3.03 and compared to other rules quite high. This results to many false spam matches.
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