Adam Sjøgren via info-gnus-english <info-gnus-english@gnu.org> writes:

> So this mailing list now changes the From: and adds Reply-To: ?!?
>
> Only for some users/posts. Hm.

Could be due to changes made to a number of mailman settings (including
from munging) for many GNU lists by the FSF sysadmins in late October?
For instance: https://lists.gnu.org/r/bug-gnuzilla/2019-10/msg00006.html