[dns-operations] Mailing List Behaviour Change
jimpop at domainmail.org
Sun Apr 7 15:24:03 UTC 2019
On Sun, 2019-04-07 at 07:08 -0800, Royce Williams wrote:
> On Sun, Apr 7, 2019 at 2:08 AM Jim Popovitch <jimpop at domainmail.org> wrote:
> > On Sat, 2019-04-06 at 18:37 -0400, John Levine wrote:
> > > In article <1554580810.23743.11.camel at domainmail.org> you write:
> > > > > I think you're confusing p=none with pct=0. The former most
> > > > > definitely means to do nothing.
> > > >
> > > > 7489 says that "p=none" receivers are to do nothing with regard to delivery
> > > > (reception), but it ends there, imho. Mailman (and other MLMs) handle p=none
> > > > during refection and can serve a valuable purpose by showing the affects of
> > > > DMARC on the sender's domain.
> > >
> > > I'm still pretty sure you're mistaken.
> > >
> > > All of my domains publish p=none and I don't see MLMs munging my mail
> > > unless they munge everyone's mail.
> > It's a set of configurable options in Mailman where the list can be configured
> > to reject, wrap, munge, or hold, DMARC'ed domains with p=reject, p=quarantine,
> > or p=none.
> I'm not sure what version of Mailman these surfaced in.
p=reject and p=quarantine support was added in Mailman v2.1.18 (May 2014)
p=none was added in v2.1.21 (Feb-2016)
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