smtpd_tls_auth_only = yes means it will only offer auth if you connect vial TLS (which you aren't doing when you telnet) so it is correct to not offer it.
** Changed in: postfix (Ubuntu) Status: New => Invalid -- Postfix SASL authentication does not work with Dovecot SASL in default configuration https://bugs.launchpad.net/bugs/493667 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs