On Sun, Apr 24, 2022 at 05:31:08PM -0500, David Wright wrote: > It looks to me as if you have no /envelope/ sender on some messages. > I don't know whether that's caused by exim, say, failing to rewrite > an address properly, but it seems unlikely that you're going to > compose an email without a From: at the top. (I can't be sure: it > might be possible to compose without showing headers, and there's > also the possibility of sending emails from the command line.) > > You can make mutt ensure that there's an envelope address by setting > either (or both, they interact) of envelope_from_address or > use_envelope_from. AIUI, exim can still select what actually gets > used.
I placed these two lines in ~./muttrc/muttrc set envelope_from_address=hai...@histomat.net set use_envelope_from=hai...@histomat.net but still get 521 5.5.1 Protocol error om outgoing messages.
