> At this point, I'm just guessing, as I have almost no experience with > Kerberos. The message above may supply some kind of clue: Server not > found in Kerberos database. Which GSSAPI library is SASL using? Is it > possible there is some setup or configuration that library needs to > function properly? This is MIT KRB5 1.10. I've tried this on systems with newer versions, too, with the same result. I am not aware of any configuration specific to GSSAPI, only Kerberos (and I have a valid ticket).
> >[2020-11-05 13:47:33] External authentication name: mycompany\\myuser > > Just a thought - should that be a double backslash or a single > backslash? I may need go back and test this next week. But the current config works for imap, and I have smtp_url="smtp://$imap_u...@server.com:587" in muttrc.
