grobian@gentoo.org Enable sys-libs/db database backend for header caching Enable sys-libs/gdbm database backend for header caching Enable header cache, one database backend needs to be enabled Enable dev-db/lmdb database backend for header caching Enable support for POP3 mailboxes Enable support for direct SMTP delivery Enable dev-db/tokyocabinet database backend for header caching Build classic_pgp backend to support PGP/MIME and traditional/inline PGP Build gpgme backend to support S/MIME, PGP/MIME and traditional/inline PGP Build classic_smime backend to support S/MIME muttmua/mutt