[Mailman-Users] DMARC handler

[John Levine]

>> Yahoo Groups also add something like this in a footer:
>> "Posted by: a real name a-name at a-domain.co.uk"
>> and a series of mailto links below that for replying to the original sender or to the group.
>
>Well, won't this break DKIM?

Yes, but if it also takes the real author address out of the From:
line, it'll avoid DMARC problems.

Lists should put their own DKIM signature on outgoing mail, so
recipient systems can recognize it as being from the list.  That's how
it's supposed to work.

R's,
John