On Thu, Mar 07, 2024 at 09:44:51AM +0100, Hans wrote:
> Hi all,
> I believe, I found the reason, why mails are marked as spam and others not.
> 
> All spam mails shjow this entry in the header:
> 
> --- sninp ---
> 
> Authentication-Results: mail35c50.megamailservers.eu; spf=none 
> smtp.mailfrom=lists.debian.org
> Authentication-Results: mail35c50.megamailservers.eu;
>       dkim=fail reason="signature verification failed" (2048-bit key) 
> header.d=debian.org header.i=@debian.org header.b="pDp/TPD5"
> Return-Path: <bounce-debian-devel=hans.ullrich=loop...@lists.debian.org>
> Received: from bendel.debian.org (bendel.debian.org [82.195.75.100])
>       by mail35c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id 
> 425I9ZEK112497
>       for <hans.ullr...@loop.de>; Tue, 5 Mar 2024 18:09:37 +0000
> 
> --- snap ---
> 
> White mails get the dkim=pass and spam mails got dkim=fail (as you see above).
> 
> However, I am not much experienced with DKIM, but as far as I read, it has 
> soemthing to do with key exchanges. 
> 
> But who must exchange keys? I see also bendel.debian.org and a bounce message.
> 
> Can that be the reason, that bendel.debian.org and megameilservers.eu has 
> some 
> problems with the keys?
> 
> On both I can not take a look and have no influence to it, but mayme the 
> admins 
> of bendel.debian.org do know more.
> 
> Thanks for reading this,
> 
> Best regards
> 
> Hans

Well i think that you would be add to whitelist emails from bendel.debian.org. 


Thanks, Byunghee from South Korea

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