The only hint about the /etc/sasl2/Cyrus.conf file I found so far, is this. I have tried to tweak it left and right but no success so far.
Дилян I have a hard time in accepting that I need a daemon process to handle the authentication. As said it is a handful of accounts. 100 logins a day. I don't really want that saslauthd .... but oh well ... maybe I'll give it a try.