Email recognises as spam and dkim = fail, but is valid

Discussion in 'ISPConfig 3 Priority Support' started by chief, Apr 18, 2024.

  1. chief

    chief Member HowtoForge Supporter

    Hey,
    ispconfig multiserver, debian 12, ver 3.2.11p2

    I get a marketing email from a valid source. It keeps going to spam. I have added spam learning based on move from spam to inbox = ham, move from inbox to spam = spam.
    headers of the email
    Code:
    Return-Path: <bounces+9881061-a977-dave=tlsystems.co.uk@em7814.gavelauctioneers.com>
    Delivered-To: [email protected]
    Received: from mx1.tlwebservices.co.uk
            by mx1.tlwebservices.co.uk with LMTP
            id MBPCE9/vIGal9wMAyW+1Gw
            (envelope-from <bounces+9881061-a977-dave=tlsystems.co.uk@em7814.gavelauctioneers.com>)
            for <[email protected]>; Thu, 18 Apr 2024 11:03:11 +0100
    Received: from o1.ptr6163.gavelauctioneers.com (o1.ptr6163.gavelauctioneers.com [149.72.177.4])
            by mx1.tlwebservices.co.uk (Postfix) with ESMTPS id 3B84E582A9D
            for <[email protected]>; Thu, 18 Apr 2024 11:03:09 +0100 (BST)
    Authentication-Results: mx1.tlwebservices.co.uk; dkim=fail ("headers rsa verify failed") header.d=gavelauctioneers.com header.s=s1 header.b=eZrofVdJ; spf=pass (mx1.tlwebservices.co.uk: domain of "bounces+9881061-a977-dave=tlsystems.co.uk@em7814.gavelauctioneers.com" designates 149.72.177.4 as permitted sender) smtp.mailfrom="bounces+9881061-a977-dave=tlsystems.co.uk@em7814.gavelauctioneers.com"; dmarc=none
    Arc-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=tlsystems.co.uk;
            s=default; t=1713434590;
            h=from:from:reply-to:reply-to:subject:subject:date:date:
             message-id:message-id:to:to:cc:mime-version:mime-version:
             content-type:content-type:list-unsubscribe:list-unsubscribe-post:
             dkim-signature; bh=cyzo5+KxapX3bcnADL0Op++JywFvQBvk5Q1pP+jC/kY=;
            b=dX9MvJbFsyN1XbJOYdkf0No5hrJcdnFXjrfYwzcR2/tZmHpp2Dh4NceogHIOSDjgJ0ACrj
            5MBeMjWUVp/HpT15SFwcuvBwslSF+YEJa311VpJ1QJKXYhGQ0s4KjPNzInEfaJi+M4sOjp
            IMoMqQ5cXz/IbLJY+1YeHoKUqln0afdtwoCPvoK01ShV/skDVhEq7u7lVY+HNmrltY7h0R
            3735uJ5A/Zo94ZRJ9gw4KGCcq0EnDyqgDF4je3m+b1QWZtcyBq3AfkmWYUmnu7ssTRtHva
            YRFixUr7jiGGt1nlUbLhLYtLnpqnF2RxFbuiRDQsafcqUWhIoCzEyJMDjsKMZg==
    Arc-Authentication-Results: i=1;
            mx1.tlwebservices.co.uk;
            dkim=fail ("headers rsa verify failed") header.d=gavelauctioneers.com header.s=s1 header.b=eZrofVdJ;
            spf=pass (mx1.tlwebservices.co.uk: domain of "bounces+9881061-a977-dave=tlsystems.co.uk@em7814.gavelauctioneers.com" designates 149.72.177.4 as permitted sender) smtp.mailfrom="bounces+9881061-a977-dave=tlsystems.co.uk@em7814.gavelauctioneers.com";
            dmarc=none
    Arc-Seal: i=1; s=default; d=tlsystems.co.uk; t=1713434590; a=rsa-sha256;
            cv=none;
            b=EIN4E4RkAcZw7Kuvq/EG577vgWOpORRja3YjNYIcwQapnCTbjv3MxNDEcLtOcGR0RoEvNj
            PGJxY8DljdQskVckwFl63k60uTXiFL5JPVtOnQRIKTbzIlRneN9Rr7YHCmoy/WNXHk+iyu
            b4XzZnwqIk7VD83bRiy/n1c1kCroApWDPfx7hci4VuVV+XDZ4nhF657oWb1DrHGosyOgBb
            hH07vAz2Ht83BOm/OOCo2mf+/p0O9+ngiEqeEyfPoy+JHw1E/awZx+yLTJf/vlIaWwXE6d
            mN/I6/fszHhTkAkXR7ZqXg9fuPNKW1GQyfP9QY8vZAjkcE+VlZUSbJp8jQtBHQ==
    Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gavelauctioneers.com;
            h=content-type:from:mime-version:subject:reply-to:to:list-unsubscribe:
            list-unsubscribe-post:cc:content-type:from:subject:to;
            s=s1; bh=cyzo5+KxapX3bcnADL0Op++JywFvQBvk5Q1pP+jC/kY=;
            b=eZrofVdJPhUIGNhRUIG72nNp3peafK86MlkiF0pIibzP4xyIFHZG4pDMiKgZnIhSYChE
            FN7EFMHn9TjeXZRtne+i+jnohBdqQV9/uYqWR7yvKNWDsUiOfr36jocGJzzj1H5BhxClfd
            Kqzr8oC7yhuU8gkQ5LEEAzv3gI+Ql7KBDwXoErkwqQlhxDK/86/cY5p3zRluROii+Hl8uW
            ymn4J1P78BIygjcZN+qklST2nwCd80DEfUtLLLQheEhVEaSb3jBeOSalz9bVFLmivfYwdS
            jfdzCdMVQC7Rpr/138C28JmaVHWXUNcttwbn+9WU8dp29sAQSA9aYb/DSbZAqEJg==
    Content-Type: multipart/alternative; boundary=6ef94d164ca1dd0ffd8f778d67a22f14c68543b7e5bca52e6587b1706ee6
    Date: Thu, 18 Apr 2024 10:03:07 +0000 (UTC) (18/04/24 11:03:07)
    From: Gavel Auctioneers <">[email protected]>
    Mime-Version: 1.0
    Subject: Unreserved Online Auction - 1973 David Brown 990 Tractor
    Message-Id: <1ZEgh9GoQx6aQzapTysgtQ@geopod-ismtpd-18>
    Reply-To: [email protected]
    X-Sg-Eid: 
     u001.26wSUPoMrws/h4O5viY/eLNPw9MFGIe3Xzg5Jot2eNH/6jYgJxHWIeR4It91KHvZivaY6vSW6LCKmgmrJ7cmvpV7aevnVzjGQa/KqfMe7YyWtaRhzoDU6ZhfkF71r6Y+zOnnaSrivrYMBkzYrS2Cwr3O1bNg5Y+WBeorB2UB+dzeEGpxQI9mzqDoA5Z42EDMg9v+hb2CEWyZNbEPq6ojap+UyWuvFgXz5ctFk9xGVq1QHzO+4OOMuN1+PHuKKmeuikhvsuDeCQAgumV3IZ7iZg==
    X-Sg-Id: u001.3RPxwXHvfbZY57uFbcgx0w6SYhq1oJRjbNXkEiaPWsj/Ig5jy5ABsybYYfZ0H/zt6/n9EY5zS1S9iPO28ZvRb8OZGd+k0rGT7XBFh/EK5/jY+bzLXAcpNtILrBO3uxYwxVWiIpajFI6sH7Hw16orOPxauXAIA/ICKf1vWc0iXVLH5/Fq2yrQmOuZ6D/TigWmLhKf0mS7wFLPRKIA8XlG64teKg6JJGJjzQ50qSIs6QnEye40IwKc/BXlQksKRuu7
    To: [email protected]
    X-Entity-Id: u001.sydFntM1jyij8gpR6AkhQw==
    List-Unsubscribe: <mailto:[email protected]?subject=9881061.nqi-fiCJSPXXIiS7M9cnagN2sZihGasYWY1PKqqDVtxoMDAwdTAwMK6GmADFY8mc9pLhz-Ftbkz3WFySzNjq_T6KN5NT4ch8b-wm2wb4n4uhQitYCvT6I3bQaQcrWo9JcFsqn772KgyQZYtIiDIBRaoBVqK7DpIpMipRwLRbfDR_mpF4ZYeCnA==.L2rBdMgOSHB_gpciKClNFoTwWFj0lK6OqYrVoBCSADdoMDAwdTAwMBuyFnyr2USBQq646uwbbbK7i6_AtweVa4q2c_N5QNkV2i4t-jj3RSeWSD8gB-VjcRSdqtMAuxQwdEC_CE41l3TjdeHNrDFDYFaBHsNjLaL7NjaTh8aAqdVPy1MRshb6UPDPue7nVMERTdKakEzLlgGly01QyRz3Aeu06R11piomQ_3fSZAssCODayc12-V6iO08HrOJ1vISEFx-0rB3uPOlOoamUtfpRtd5kHGeq_Ji-u_tdKDPILJS9Ky6q_HFlxmyGi2rsyy4lDPPFdWRW28hBxAp27s-P3g0ZpLT8xPc5MpoVc7R8Xxm75354UL3weqfq6rZukM4Pq_9QHFJfycG2_5DxnHxUPzXD9EJpQWDoIvL53fS9OIoF0eeq1JQ_pUfGcJyf3qoIyz6ZQu7pHE=>,<https://u9881061.ct.sendgrid.net/lu/unsubscribe?oc=u001.FJc8raRyLnhaK7tO2cTHft3oyjcDXgDSXXglkOuC39l7C-W2kLhh1FsQy4Y4kUXjaOjslCdrQCc6iNEAyKwjhcXvNfrMOjukkd9_T3wlWOxea4jHrPXFa9ULch6uXW_Gmzk0knUO9lhyUy83U5_mOENqXzaUkv93mF5a0cAFPE3VaTJL-XNOkXhuIB-KmS2j6l2w9gMkY8AzkNZ9OUJZuRavP-LDaa5n5FWqdPMwJXXkZOCxTb5iQZ8Gpg_7nqkax_j2NA50FMfTIurjiu0Jdrc7gflqdhZPSLa4Ns4LpGMaERquO3VlEC44NyfXyMFSs5kK_EMPFMnE6hsLj6AbWQ3aqILQWwANp5767T0WY9Lb_SXgAbpsuuJy-HhFCVRcDKu-xQucYTbv-u1-5qLyktR5P0_VRLQTBj0-p5vYUUxdxym0OixxfhHddc1JZQ7gZNc562w_rj93Eg1g2gfNoEp9mlzhq4Gwz2aQKHmMT3tqwyJCAoDn68T7lghqk6_OitWizZTdAyUJdo_Cg6tbW2U1V6KRVmcoQTmRU7FtOyAFX1rAf5J8C_sB-nvAYTCvVTIXC6mULX2tZliRhKheCNXtLp9jubwTGxFL6MUG4qduRCi5sY9GGAJOTqVGYv0tOKKbaNfLdeJwtIQP_lxUtiTtGxlqcsG_ViTczM5CFjcpAofcoqIqC8Q_EJnw0vS7RHYHkTENrqTzHdo0vkPQoR8u7OUxwCqf68ieHj6F2-F3IQTiqaMmCmX5V8y5mPFLleetwL1aLytT2X4iIvE_cvjD43slHE8cqS8ltW3mwAiZHGrvGtPXKhU8a2tVOjuptCqqmsgoF4BD4o-Sf4lpcoqPF9Cqn_I_PqZIm09jaAJrCEVGzfmvcYgztyOUbtSvyakYdVIXcvvZJcSkwXyTZzaIm5P1U4XjaK_RJs1Pkh8rb438-5VF13Yn2R5MRTe9>
    List-Unsubscribe-Post: List-Unsubscribe=One-Click
    X-Spamd-Bar: +++++++++++++
    X-Spam-Status: Yes, score=13.15
    X-Spam-Level: *************
    X-Spam: Yes
    X-Evolution-Source: 0d25a7ed6d769a2e5a794beae6cff8212e4a42dd
    
    5th section down "Authentication-Results" states dkim=fail, but running their DKIM through https://dmarcian.com/dkim-inspector/, https://easydmarc.com/tools/dkim-lookup?domain=gavelauctioneers.com and https://mxtoolbox.com/SuperTool.aspx?action=dkim:s1:gavelauctioneers.com&run=toolpage
    All tests show their DKIM is valid, but my system thinks it is spam.
    Their record has 8 tags, my domain has 3 tags..
    Im not sure why this is classed as spam, there are other my customer examples, so i need to understand and fix it.

    dave
     
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Maybe the email was forwarded from another source and this broke DKIM signature. If you use Rspamd, then you can use Rspamd GUI to have a closer look at why the score got assigned. If the score is not assigned due to bayes filtering, then ham learning has likely no effect as it was not scored as spam due to a learning filter.
     
    chief likes this.

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