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Recognize MS Exchange read receipts as read receipts

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They contain X-MSExch-Correlation-Key header, but no
Original-Message-ID, so they cannot be used to find the original
message, but we want to recognize them as MDN nevertheless to assign
them to the trash chat.
This commit is contained in:
link2xt
2021-12-11 21:19:10 +00:00
parent f8b4ef26b3
commit dae80cbe35
2 changed files with 144 additions and 19 deletions
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108
test-data/message/ms_exchange_report_disposition_notification.eml Normal file
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@@ -0,0 +1,108 @@
Return-Path: <anonymous@example.org>
Delivered-To: anonymous@posteo.de
Received: from proxy02.posteo.name ([127.0.0.1])
by dovecot16.posteo.name (Dovecot) with LMTP id Cp2uFxP1sWHbCQEAchYRkQ
for <anonymous@posteo.de>; Thu, 09 Dec 2021 13:25:38 +0100
Received: from proxy02.posteo.de ([127.0.0.1])
by proxy02.posteo.name (Dovecot) with LMTP id MWsaCwrvsWG0wgEAGFAyLg
; Thu, 09 Dec 2021 13:25:38 +0100
Received: from mailin06.posteo.de (unknown [10.0.1.6])
by proxy02.posteo.de (Postfix) with ESMTPS id 4J8tXy0KkMz120l
for <anonymous@posteo.de>; Thu, 9 Dec 2021 13:25:38 +0100 (CET)
Received: from mx04.posteo.de (mailin06.posteo.de [127.0.0.1])
by mailin06.posteo.de (Postfix) with ESMTPS id F24DE215B8
for <anonymous@posteo.de>; Thu, 9 Dec 2021 13:25:37 +0100 (CET)
X-Virus-Scanned: amavisd-new at posteo.de
X-Spam-Flag: NO
X-Spam-Score: 0.011
X-Spam-Level:
X-Spam-Status: No, score=0.011 tagged_above=-1000 required=7
tests=[HTML_MESSAGE=0.001, T_POSTEO_TLSINY=0.01] autolearn=disabled
X-Posteo-Antispam-Signature: v=1; e=base64; a=aes-256-gcm; d=27yedFdXeAzOobR4x685XJ/5e6WQmX8PP5pSnOlGU2a9Ismhk38wb5AS44xh1yeL5PUxla78UEsHwGkPR0IyPRlHWaLMFLd5CJZN3GzFfrj/2CuB+cd1hOLpp9hRmCebc3rchuDr
Authentication-Results: posteo.de; dmarc=none (p=none dis=none) header.from=example.org
X-Posteo-TLS-Received-Status: TLSv1.2
Received: from mail.example.org (mail.example.org [0.0.0.0])
by mx04.posteo.de (Postfix) with ESMTPS id 4J8tXx38vRz10yw
for <anonymous@posteo.at>; Thu, 9 Dec 2021 13:25:37 +0100 (CET)
Received: from [192.168.1.11] (port=22105 helo=mail.example.org)
by mail.example.org with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
(Exim 4.94.2)
(envelope-from <anonymous@example.org>)
id 1mvIUG-0007VC-2U
for anonymous@posteo.at; Thu, 09 Dec 2021 13:25:24 +0100
From: Anonymous <anonymous@example.org>
To: Anonymous <anonymous@posteo.at>
Subject: Gelesen: Test message
Thread-Topic: Test message
Thread-Index: AQHX7Dt/+5f88Aokk0KrqG0hbF8dN6wqFvxh
Date: Thu, 9 Dec 2021 12:25:24 +0000
Message-ID: <1711fc3548cd4b2699ccd4fffac17713@anonymous>
In-Reply-To: <75dd051097b02468183707ad0dd62ebd@posteo.de>
Accept-Language: de-AT, de-DE, en-US
Content-Language: de-DE
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [192.168.120.215]
Content-Type: multipart/report;
boundary="_000_1711fc3548cd4b2699ccd4fffac17713anonymous_";
report-type=disposition-notification
MIME-Version: 1.0
--_000_1711fc3548cd4b2699ccd4fffac17713anonymous_
Content-Type: multipart/alternative;
boundary="_002_1711fc3548cd4b2699ccd4fffac17713anonymous_"
--_002_1711fc3548cd4b2699ccd4fffac17713anonymous_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Ihre Nachricht
An: Anonymous
Betreff: Test message
Gesendet: Mittwoch, 8. Dezember 2021 14:57:05 (UTC+01:00) Amsterdam, Ber=
lin, Bern, Rom, Stockholm, Wien
wurde am Donnerstag, 9. Dezember 2021 13:24:34 (UTC+01:00) Amsterdam, Berl=
in, Bern, Rom, Stockholm, Wien gelesen.
--_002_1711fc3548cd4b2699ccd4fffac17713anonymous_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
<meta name=3D"Generator" content=3D"Microsoft Exchange Server">
<!-- converted from text --><style><!-- .EmailQuote { margin-left: 1pt; pad=
ding-left: 4pt; border-left: #800000 2px solid; } --></style>
</head>
<body>
<font size=3D"2"><span style=3D"font-size:10pt;">
<div class=3D"PlainText">Ihre Nachricht <br>
<br>
&nbsp;&nbsp; An: Anonymous<br>
&nbsp;&nbsp; Betreff: Test message<br>
&nbsp;&nbsp; Gesendet: Mittwoch, 8. Dezember 2021 14:57:05 (UTC&#43;01:00) =
Amsterdam, Berlin, Bern, Rom, Stockholm, Wien<br>
<br>
&nbsp;wurde am Donnerstag, 9. Dezember 2021 13:24:34 (UTC&#43;01:00) Amster=
dam, Berlin, Bern, Rom, Stockholm, Wien gelesen.</div>
</span></font>
</body>
</html>
--_002_1711fc3548cd4b2699ccd4fffac17713anonymous_--
--_000_1711fc3548cd4b2699ccd4fffac17713anonymous_
Content-Type: message/disposition-notification
Final-recipient: RFC822; anonymous@example.org
Disposition: automatic-action/MDN-sent-automatically; displayed
X-MSExch-Correlation-Key: coNC5vaCQkiAOjek1v1Uew==
X-Display-Name: Anonymous
--_000_1711fc3548cd4b2699ccd4fffac17713anonymous_--