title.gettext restricted to local domain and subscribers

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

