On Tue, May 3, 2022 at 12:38 PM John R. Hogerhuis <jho...@pobox.com> wrote: > > If anyone has a suggestion that I can try in Mailman I'll try it.
On the mailman server I used to manage, I had to bite the bullet and enable munge_from https://wiki.list.org/DEV/DMARC -Josh
