On Tue, Mar 7, 2023, at 12:02, Benny Pedersen via Postfix-users wrote: > > why is arc invalid ?
My email provider is adding a little more detail: Authentication-Results: pb-mx20.pobox.com; arc=invalid (as.1.list.sys4.de=invalid (public key: does not support hash algorithm 'sha256'), ams.1.list.sys4.de=invalid (public key: does not support hash algorithm 'sha256')) smtp.remote-ip=188.68.34.52; -- Harald Koch c...@pobox.com _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org