/usr/lib/tmpfiles.d/courier-authdaemon.conf is in courier-authdaemon 0.66.4-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | #Type Path Mode UID GID Age Argument
d /var/run/courier/authdaemon 0755 courier courier - -
|