On Sun, 2021-08-01 at 13:30 +0200, Rob PE1CHL via 44Net wrote:
the correct procedure is to delete the DKIM-Signature header
Rob is correct. This can easily be achieved by setting REMOVE_DKIM_HEADERS=3 in mm_cfg.py. You can see all the available options in Mailman/Defaults.py.
-Jim P.