On 18/12/2016 23:15, S Moonesamy wrote:
...
> Yes. We might end up having to consider whether to attribute
> semantics to the <display-name> as a way to solve the problem. Let's
> assume that 20% of IETF mailing list subscribers use a "p=reject"
> domain name in the "From:" field and that they are no longer allowed
> to post messages to the mailing list because of the policy advertised
> by that sending domain. What should the mailing list moderator do in
> response to complaints from those subscribers?
Send them a canned message stating that the only solution available
to them is changing to a different From address that does not have
this issue. What else can they do?
But...
On 19/12/2016 06:05, Dave Crocker wrote:
...
> I believe some mailing lists have adjusted to detection of DMARC (maybe
> just when p=reject?) for a given author by making author From: field
> changes /only/ for such authors. They don't make changes when mail is
> from non-DMARC authors.
If ARC fails to solve the problem, I am certain the IETF will have no
choice but to do this (for both p=reject and p=quarantine, I suspect).
Brian