(`/var/log/mailman/subscribe` on Debian) to see if any illegitimate requests
still make it through, but unless you site is really big I'd be rather surprised
to see bots being able to answer site-specific questions.
+
+**Update:** With Mailman 2.1.30, this patch is now included upstream.
+The `CAPTCHAS` format is slightly different than above to support multiple languages; consult the Mailman documentation for further details. **/Update**