HI Nick,

I had cut and pasted from the "Raw Source" view in mac Mail, but double checked 
in the spool file and those are the headers received in that order.

Thanks,
Ken

> On May 9, 2025, at 7:27 PM, Nick Tait via Postfix-users 
> <postfix-users@postfix.org> wrote:
> 
> On 10/05/2025 08:23, Ken Biggs via Postfix-users wrote:
>> Return-Path:<x...@gmail.com>
>> X-Original-To:x...@xxx.com
>> Delivered-To:y...@yyy.jkbiggs.com
>> Received: from mail-qk1-f169.google.com (mail-qk1-f169.google.com 
>> [209.85.222.169])
>> (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)
>> key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384)
>> (No client certificate requested)
>> by...@xxx.com (Postfix) with ESMTPS id 1CD1B200DF
>> for<x...@jkbiggs.com>; Fri,  9 May 2025 15:11:36 -0500 (CDT)
>> DMARC-Filter: OpenDMARC Filter v1.4.2 yyy.xxx.com 1CD1B200DF
>> Authentication-Results: OpenDMARC; dmarc=fail (p=none dis=none) 
>> header.from=gmail.com
>> DKIM-Filter: OpenDKIM Filter v2.11.0...@xxx.com 1CD1B200DF
>> Authentication-Results:y...@xxx.com;
>> dkim=fail reason="signature verification failed" (2048-bit key, unprotected) 
>> header.d=gmail.comheader.i=@gmail.com header.a=rsa-sha256 header.s=20230601 
>> header.b=RKA6a/wC
>> Received: by mail-qk1-f169.google.com with SMTP id 
>> af79cd13be357-7caea4bc9e9so459125485a.1
>>         for<x...@jkbiggs.com>; Fri, 09 May 2025 13:11:36 -0700 (PDT)
>> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
>>         d=gmail.com; s=20230601; t=1746821496; x=1747426296; darn=xxx.com;
>>         h=to:subject:message-id:date:from:mime-version:from:to:cc:subject
>>          :date:message-id:reply-to;
>>         bh=9WXHEH+Ua31hBu54eP0LWpmaqkIUN2OsJGlLAjtdDlA=;
>>         b=RKA6a/wCNsjGeWDbSNrfAaEEAk3SM+ehP5vjMGJAD7IzYYj+GOEpedkbtu4T0WnBEx
>>          3foAEREMpDtru4NrbrBqkGOdLZtgxK41EVDIhfNXLBpb5ZYBGknSeXYbZUZsjQYBKz08
>>          flhI5hQew5XLSds1L4Opnd7TMdi9C3AEesULC2/Jf82kFgDdmg65EvstfvmF/z1Gn9k3
>>          qUoe1ubza8D7xaGRyFk7aOmNIlOAPVdr00ZOy9HYXCDHq9703YfINfd9rKBkpcmDbYvm
>>          qyxRTP9XUW/N1oEjVGOs2zaeOg+EY8P/WWAFg4dw70A8nhcnNKqRtDrRZ+wtwSMP+xUa
>>          vNKg==
> 
> Hi Ken
> 
> The order of these headers looks odd to me. It seems to be saying that the 
> DKIM signature was added to the message, then it was passed to a Google MTA, 
> then the DKIM and DMARC Authentication-Results were added, then it was 
> received by your MX server? Have you reordered these headers at all? If so, 
> what was the original order of the headers?
> 
> Thanks,
> 
> Nick.
> 
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