On Tue, Sep 19, 2017 at 12:54 PM, Cory (NQ1E) cory@nq1e.hm wrote:
I think the only way to prevent the dkim signatures from failing in the first place is to either replace the email address in the "From: " header, or to prevent modification of the message body by disabling the footer insertion.
Mailman has some options for this: https://wiki.list.org/DEV/DMARC
Tom KD7LXL