title.gettext restricted to local domain

# if subscriber request come from local domain do_it else reject
is_editor([listname],[sender])       smtp,md5,smime  -> do_it
is_owner([listname],[sender])        smtp,md5,smime  -> do_it
match([sender],/[domain]$/)          smtp,md5,smime  -> do_it
true()                               smtp,md5,smime  -> reject(reason='send_local_user')
