Re: replies and dmarc?

[Ian Kelling]

Karl Berry <address@hidden> writes:

> FWIW, I can report that getting rid of the subject prefix and msg
> header/footer and content filtering is not enough for yahoo. Mail from a
> yahoo account to one of the tug mailing lists was bounced by numerous
> recipients (yahoo of course, also mac.com, comcast, verizon, various
> universities, etc.). Surprisingly but happily, gmail did not bounce it;
> I don't understand why that should be the case.
>
> I also do not know how to tell if the headers get reordered, since
> there's no record of the true original. Maybe have to hack mailman to
> save it.
>
> I've been experimenting with Munge From but so far in my tests (centos7)
> it has had no effect at all :(. I must be missing something obvious.
> --best, karl.

Hrm. What version of mailman are you using? Munge From means that
mailman needs to do dns lookup of dmarc policy, you could tcpdump or
something to see if that is happening.