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Re: Fyi: this list, libreplanet-dev, just had it's subject [tag] and foo


From: Ian Kelling
Subject: Re: Fyi: this list, libreplanet-dev, just had it's subject [tag] and footer removed
Date: Thu, 31 Oct 2019 17:33:34 -0400
User-agent: mu4e 1.1.0; emacs 27.0.50

Dmitry Alexandrov <address@hidden> writes:

> Ian Kelling <address@hidden> wrote:
>> removing the footer would allow us to keep the original from address.
>
> I believed, in address@hidden rewriting addresses was disabled along with 
> footer, was not it?
>
> It’ve just got the following message where ‘From’ is rewritten:

This happens very rarely and its due to misconfigured email servers
which send us bad dkim signatures, including bad in the case that they
include nonexistent list-* headers in their list of signed headers,
which should never be done. In this case, the dkim signature failed to
verify when it got to our server, so we had to rewrite it.

2019-10-31 12:45:26.710 [1437] 1iQDZe-0000NB-Mc DKIM: d=opengroupware.ch 
s=dkim20160331 c=relaxed/relaxed a=rsa-sha256 b=4096 t=1572539476 x=1574353877 
[verification failed - signature did not verify (headers probably modified in 
transit)]

I'm planning to implement an autoreply in such cases to let the posters
know to fix their mail server.

-- 
Ian Kelling | Senior Systems Administrator, Free Software Foundation
GPG Key: B125 F60B 7B28 7FF6 A2B7  DF8F 170A F0E2 9542 95DF
https://fsf.org | https://gnu.org



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