mao now adds more useful headers, providing Email address, Fingerprint, Name and Comment! This allows FAR MORE control! For example, we can now setup a mod_access to rule to give buanzo at buanzo.com.ar access to a private directory, etc. Check out the included README for more details and examples!
You can download it from http://www.buanzo.com.ar/files/mod_auth_openpgp-0.2.0.tgz.