nicolasbock@gentoo.org Nicolas Bock Enable BDB (Berkley DB) backend for header caching Enable GDBM (GNU dbm) backend for header caching Enable Kyoto Cabinet database backend for header caching Enable LMDB (Lightning Memory-Mapped Database) backend for header caching Enable support for net-mail/notmuch Enable QDBM (Quicker Database Manager) database backend for header caching Enable Tokyo Cabinet database backend for header caching Build classic_pgp backend to support PGP/MIME and traditional/inline PGP Enable support for app-crypt/gpgme Build gpgme backend to support S/MIME, PGP/MIME and traditional/inline PGP Enable support for smime Build classic_smime backend to support S/MIME