Postfix Admin is a web-based management tool written in PHP for
Postfix with Postfix-style Virtual Domains using MySQL or
PostgreSQL lookups.  Postfix Admin is known to work on Apache
and Lighttpd, but is designed to work on any web server with
PHP 5.1.2+ support.

Postfix Admin features:

- Virtual Mailboxes, Virtual Aliases and Forwarders;
- Domain-to-Domain Forwarding (Catch-All Aliases);
- Vacation (auto-responder) for Virtual Mailboxes;
- Quota, Alias & Mailbox limits per domain;
- Backup MX;
- Packaged with over 25 languages.

WWW: http://www.postfixadmin.org/