If auth cache is enabled and %vars are used in passwd-file path, get the non-username part of the cache key from the path.
If auth cache is enabled and %vars are used in passwd-file path, get the
non-username part of the cache key from the path.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot