On Tue, 2017-11-21 at 10:52 -0800, John R Pierce wrote: > > > > > it seems to *ME* like a simpler solution to the original problem > would have been to simply STRIP any DKIM out of the original > messages, and continue to munge headers and footers like mail > list > reflectors have been doing for decades. > >
That wouldn't help; DMARC policies are based on the From: header. If you want to munge messages from DMARC-reject senders you need to replace the From: header with your own. Email doesn't work the same as it did decades ago. Senders need to keep up.