Assume the following:

List "L" has implemented ARC and has subscribers from 10 domains,
Domain through DomainJ.

A user from DomainA, which publishes p=reject, submits a post to the list.

What information does List "L" use to decide whether to rewrite "From", for
each of the 10 domains?
How is that information obtained?


Doug Foster


On Thu, Oct 7, 2021 at 3:19 PM Benny Pedersen <m...@junc.eu> wrote:

> On 2021-10-07 15:38, Scott Kitterman wrote:
>
> > I'm out of time, but something like that which defines the solution
> > space
> > rather then trying to specify THE solution is probably the only path
> > forward.
>
> maillists can dmarc reject posters that use dmarc reject policy or
> quarantine, problem solved downstream
>
> for postfix there is a nice smtpd_milter_maps so maillists ips is not
> dkim/arc/dmarc rejected at all
>
> i pick my games, but if maillists stops dkim sign non orginating mails
> 50% of the main problem is solve there
>
> maillist should only ARC seal / and ARC sign, nothing more, if that is
> done BEFORE dkim is breaked, then it wont break dmarc from github trunk
> of opendmarc, time to stablelize
>
> _______________________________________________
> dmarc mailing list
> dmarc@ietf.org
> https://www.ietf.org/mailman/listinfo/dmarc
>
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