enable-registrations enable-ldap-auth report-stats expose-metrics enable-notifications smtp-use-starttls disable-federation registration-requires-email allow-public-rooms-over-federation enable-server-notices allow-guest-access allow-public-rooms-without-auth limit-remote-room-complexity disable-presence ldap-use-starttls user-directory-search-all-users enable-message-retention-policy worker-mode enable-url-preview enable-3pid-lookups disable-3pid-changes disable-displayname-changes