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


From: Gabe Stanton
Subject: Re: Fyi: this list, libreplanet-dev, just had it's subject [tag] and footer removed
Date: Fri, 01 Nov 2019 07:06:13 -0600

Aah my provider is hosing up the formatting? 
I'll make sure to 'keep formatting' in my future replies, hopefully
that'll help. Although I seem to only have that option on my first
reply, so I don't have the option on existing threads.

On Fri, 2019-11-01 at 15:51 +0300, Dmitry Alexandrov wrote:
> Ian Kelling <address@hidden> wrote:
> > Dmitry Alexandrov <address@hidden> writes:
> > > 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.
> 
> Yes, indeed.  Though, unfortunately, there is a header, that is fully
> legitimate for a user to set (and sign), but is rather abused by
> Mailman — thatʼs ‘Sender’.  Neither Majordomo nor public-inbox do
> that, why Mailman is so peculiar, I wonder.
> 
> > 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.
> 
> In the light that opengroupware.ch is <https://kolabnow.com>, which
> is commercial email service provider, that looks funny.  It might
> even be a good idea to contact them, rather than user.
> 
> In any case, thank you for taking the time to explain.
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> https://lists.libreplanet.org/mailman/listinfo/libreplanet-discuss



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