We tried, but could not find /doku.php?id=doku.php.faq:everydayuse:what_if_someone_wants_to_make_a_room_into_a_mailing_list_can_we_do_that&do=login§ok=86c4f8c3f911e377325eca7f6f4ac0c3
But hey, you don't have to leave empty handed!
Here are some things you can try instead: