Re https://bugs.launchpad.net/ubuntu/+source/courier-authlib/+bug/102947/comments/17 the underlying problem is that /var/run/courier/authdaemon gets created with wrong permissions so that unprivileged agents cannot access the .../socket in that directory. Linking a duplicate bug here.
Re https:/ /bugs.launchpad .net/ubuntu/ +source/ courier- authlib/ +bug/102947/ comments/ 17 the underlying problem is that /var/run/ courier/ authdaemon gets created with wrong permissions so that unprivileged agents cannot access the .../socket in that directory. Linking a duplicate bug here.