title.gettext restricted to local domain and subscribers

is_subscriber([listname],[sender]) smtp,smime,md5    -> do_it
is_editor([listname],[sender])     smtp,smime,md5    -> do_it
is_owner([listname],[sender])      smtp,smime,md5    -> do_it
match([sender],/[conf->host]$/)          smtp,smime,md5    -> do_it
true()				     smtp,smime,md5    -> reject(reason='send_local_user_sub')

