openpgp_gpg_pgpmimemail openpgp gpg pgpmimemail PGP/MIME encrypted email messaging Use OpenPGP PGP/MIME compliant encrypted email messaging. All email-messaging/notifications/newsletters are sent as PGP/MIME-encrypted messages, signed with the signer-key, and are completely 100% opaque to outsiders. All user accounts need to be properly configured into gnupg keyring with public-keys related to their tiki-account-related email-addresses. 