onyeibo via Mailman-Users writes:
> I was wondering if there is justifcation for OpenARC here.
> Is that standard still in use?
Mailman 2 probably never will implement the ARC protocol unless a 3rd
party picks up maintenance and development (Mailman 3 does, though),
but like most things that
Hi Mark
On Friday, July 2nd, 2021 at 5:55 AM, Mark Sapiro wrote:
>
> The Mailman server is trying to DKIM sign the outgoing mail, but
>
> opendkim on that server is misconfigured. It should have
>
> SenderHeaders List-Post,Sender,From
>
> in it's opendkim.conf so that it signs list mail with
Grant Taylor via Mailman-Users writes:
> Thus, recipients see that messages aren't coming from where the sender
> says they should be and that the cryptographic signature is broken.
> Hence the receiving server is naturally treating the message from the
> mailing list as highly suspicious.