SMTP Relay/access control Relay/access control overview Access policy delegation Address verification Per-client/user/etc. access Zombie blocking with postscreen ETRN Support LAN connected via UUCP Lookup tables (databases) Lookup table overview CDB Howto Berkeley DB Howto LDAP Howto LMDB Howto Memcache Howto MongoDB Howto MySQL Howto PCRE Howto PostgreSQL Howto SQLite Howto Mailing list support V