>From the first message I noted this: mailman02 dovecot: imap-login: Disconnected (tried to use unsupported auth > mechanism): user=<>, method=PLAIN, rip=1.1.1.1, lip=2.2.2.2, TLS, > session=<QhWSqxofyAAKyAkM>
It seems that your client is not using GSSAPI, but PLAIN instead. About your config: On Mon, Sep 7, 2015 at 10:02 AM, Kanwar Ranbir Sandhu < m3fr...@thesandhufamily.ca> wrote: > > > auth_default_realm = theinside.rnr > auth_realms = theinside.rnr > In my configs I was forced to use REALM in uppercase. When I used it lowercase I had issues mainly with PAM. > auth_krb5_keytab = /etc/imap.keytab Double-check that your keytab is correctly authorized in IPA and it's still valid. In my case I had to setup a cron to refresh the keytab. (Remember chown it, so Dovecot can read it) Regards, Manuel Delgado ----------------------------------------------------------- *Usuario Linux* *#520940 <http://counter.li.org/>* Mag. Computación e Informática Universidad de Costa Rica Centro de Informática