On Wed, 13 Mar 2024 11:54:14 -0600, Todd C. Miller wrote: > I've just added support to our majordomo for rewriting the From: > header when the sender's domain has a DMARC policy. Messages from > domains using DMARC will now have a From: header like: > > From: "John Connor via misc" <misc@openbsd.org> > > and the original From: address is preserved in the X-Original-From: > header if one is not already present. > > This seems like the only reliable way to address the problem given > that the mailing list server often reformats or otherwise modifies > the message body.
I've disabled the From: rewriting for now after complaints that it makes things a lot less usable. We'll try preserving messages as sent instead, which means that text/html parts will now be passed through (sorry). - todd