applications/system
- postfix-cdb - CDB Database Support for Postfix
- postfix-ldap - LDAP Database Support for Postfix
- postfix-lmdb - LMDBtabase Support for Postfix
- postfix-mysql - MySQL Database Support for Postfix
- postfix-pcre - PCRE Database Support for Postfix
- postfix-perl-scripts - Postfix utilities written in perl
- postfix-pgsql - PostgreSQL Database Support for Postfix
- postfix-sqlite - SQLite Database Support for Postfix
- postfix-utils - Postfix utilities