{mod_muc,      [
                  %%{host, "conference.@xxx.dyndns.org@"},
                  {access, muc},
                  {access_create, muc},
                  {access_persistent, muc},
                  {access_admin, muc_admin},
                  {history_size, 50},
                  {max_users, 500},
                  {default_room_options,
                        [
                          {allow_change_subj, true},
                          {allow_private_messages, true},
                          {allow_user_invites, true},
                          {anonymous, true},
                          {logging, true},
                          {members_by_default, true},
                          {persistent, true},
                          {public, true},
                          {public_list, false}
                        ]}
                 ]},
  {mod_muc_log,  [
                  {access_log, muc},
                  {dirtype, plain},
                  {dirname, room_jid},
                  {outdir, "/var/www/muclogs"},
                  {timezone, universal},
                  {spam_prevention, true}
                 ]},