+
+ # Produce a list of users belonging to the given *domains* in the
+ # Dovecot mailstore.
+ #
+ # @param domains [Array<Domain>] an array of {Domain} objects whose
+ # users we'd like to find.
+ #
+ # @return [Array<User>] an array of {User} objects that have
+ # corresponding directories within the Dovecot mailstore belonging
+ # to the specified *domains*.
+ #