[Mailman-Users] Re: Trouble with DMARC on Mailing Lists

2021-07-02 Thread Stephen J. Turnbull
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

[Mailman-Users] Re: Trouble with DMARC on Mailing Lists

2021-07-02 Thread onyeibo via Mailman-Users
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

[Mailman-Users] Re: Gmail and DKIM problems

2021-07-02 Thread Stephen J. Turnbull
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.