DMARC Problem

Linkworkx

New Member
Apr 7, 2025
6
0
1
Hallo Freunde

ich habe ein Problem mit einem Lieferanten von mir.
Sie stellen Ihre Rechnung über ihr SAP System aus, die bei mir aber immer in der Quarantäne landen, weil DMARC bei mir ein FAIL erkennt. Nach diversen DMARC Test von dem Lieferanten, denke ich, dass der hier wohl der Fehler bei mir liegt.
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Hello, friends!



I'm having an issue with one of my suppliers.

They issue invoices via their SAP system, but they always end up in my quarantine because DMARC recognizes an error. After the supplier ran various DMARC tests, I think this is probably my fault.


PHP:
Delivered-To: EMPAENGER@DOMAIN.COM
Return-Path: 0102019745176a3d-00ca2bc8-e10c-403c-b5ab-172a0dc2d17e-000000@eu-west-1.amazonses.com
Received-SPF: pass (eu-west-1.amazonses.com: Sender is authorized to use '0102019745176a3d-00ca2bc8-e10c-403c-b5ab-172a0dc2d17e-#@eu-west-1.amazonses.com' in 'mfrom' identity (mechanism 'include:amazonses.com' matched)) receiver=SMTP.EMPFAENGER.TLD; identity=mailfrom; envelope-from="0102019745176a3d-00ca2bc8-e10c-403c-b5ab-172a0dc2d17e-#@eu-west-1.amazonses.com"; helo=e238-236.smtp-out.eu-west-1.amazonses.com; client-ip=23.251.238.236
Received: from e238-236.smtp-out.eu-west-1.amazonses.com (e238-236.smtp-out.eu-west-1.amazonses.com [23.251.238.236])
    (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)
     key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256)
    (No client certificate requested)
    by SMTP.EMPFAENGER.TLD (ESMTP) with ESMTPS
    for <EMPAENGER@DOMAIN.COM>; Fri,  6 Jun 2025 13:54:19 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
    s=byd-busi-my020087-global-office-de; d=global-office.de;
    t=1749210852;
    h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type;
    bh=n4tylvYXSoa91yuONgk8ZO/Qx++P5tAs7I2BQj7BVag=;
    b=V0urelgzqanwOGVKjKEjEGbLLseWJAq84SErHFZWz3TecLyACeRiPX4bPyVWFzV3
    7j45S9Tb7cz9DwxUTElQZ/VDPKqM6TsTgiUv+iaqBiGoFKuwcj3Yfas4MNVUtkLK+UI
    Tzo9v+ekAIDLxRyZTGs0h+JkyWm1BwwprBfnPq8w=
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
    s=ihchhvubuqgjsxyuhssfvqohv7z3u4hn; d=amazonses.com; t=1749210852;
    h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Feedback-ID;
    bh=n4tylvYXSoa91yuONgk8ZO/Qx++P5tAs7I2BQj7BVag=;
    b=fCWgp/Id1mLAtT6AU0SBUwOskYA0TbeQMnjEr8wBRG5rNh8nAcLp3yigyM9PFWZt
    k1M1Nl9OiYI8kyGqeCcrNdxoeDGCZlCbP+MJkJ0J2Sh+RC7R9p3vB286MiC4CqmDv5g
    LXicV6CPXuOwARkeiiKXQg75VDtTpnkAxSyIgqO4=
X-Cronus-Message-ID: <92230ca8-481c-4d26-b328-a4cb749302ba@cronus.eu-de-1.cloud.sap>
X-Cronus-Original-Message-ID: <FA163E6C40211FD090D99E8E18696F4BD12OM_PROD_TYPEFA163E6C40211FD090D99E8E18668F4B@my020087.mail.sapbydesign.com>
Date: Fri, 6 Jun 2025 11:54:11 +0000
From: buchhaltung@global-office.de
subject: SPAM: Erneute Ausgabe von global office GmbH - Rechnung RG-201911-2025
To: EMPAENGER@DOMAIN.COM
Message-ID: <0102019745176a3d-00ca2bc8-e10c-403c-b5ab-172a0dc2d17e-000000@eu-west-1.amazonses.com>
MIME-Version: 1.0
X-Mailer: SAPBCS804
Content-Type: multipart/mixed;
 boundary="=_MIXFA163E6C40211FD090D99E8E18698F4B"
Feedback-ID: ::1.eu-west-1.4JBB1kJYke+6lsVEg/UZUc0FaYrHQ4XZ3TSp44vA3Ms=:AmazonSES
X-SES-Outgoing: 2025.06.06-23.251.238.236
X-SPAM-LEVEL: Spam detection results:  5
    BAYES_40               -0.001 Bayes spam probability is 20 to 40%
    DKIM_INVALID              0.1 DKIM or DK signature exists, but is not valid
    DKIM_SIGNED               0.1 Message has a DKIM or DK signature, not necessarily valid
    HEADER_FROM_DIFFERENT_DOMAINS  0.001 From and EnvelopeFrom 2nd level mail domains are different
    KAM_ASCII_DIVIDERS        0.8 Email that uses ascii formatting dividers and possible spam tricks
    KAM_DMARC_QUARANTINE        4 DKIM has Failed or SPF has failed on the message and the domain has a DMARC quarantine policy
    KAM_DMARC_STATUS         0.01 Test Rule for DKIM or SPF Failure with Strict Alignment
    RCVD_IN_DNSWL_NONE     -0.0001 Sender listed at https://www.dnswl.org/, no trust
    SPF_PASS               -0.001 SPF: sender matches SPF record
 

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