Qmail Server
Web interface or GUI Tools
QmailAdmin
QmailAdmin is a Web control panel for the administration of
qmail/vpopmail-based POP, IMAP, LDAP, or Web mail accounts,
forwarding, aliases, autoresponders, and mailing lists. It is
perfect for ISPs, Web hosting sites, or companies that want to
provide a nice interface for managing email accounts. It works
with qmail, vpopmail, sqwebmail, and courier-imap.
Downloads and Documentation
http://sourceforge.net/projects/qmailadmin/
QmailWebmin
qmailWebmin is a Webmin module for administrating a qmail
mailserver. Its main feature is the easy virtual accounting with
separated POP3 passwords. Based on work found on qmail.org, it
aims to be as standard as possible with a default qmail
installation. This Webmin module is aimed at lazy administrators
and persons with little knowledge about general UNIX
administration.
Downloads and Documentation
http://sourceforge.net/projects/qmailwebmin/
Qadmin
Qadmin is an administration tool for Qmail, written in PHP and
MySQL.
Downloads and Documentation
http://www.enzolutions.com/qadmin/home.php
QmailAdminWeb
QmailAdminWeb is an admin suite for Qmail+MySQL with a Web GUI.
It has the ability to add and remove users, change user's
passwords, build the forwarding database, and more.
Downloads and Documentation
http://qmailadminweb.sourceforge.net/
oMail-admin
oMail-admin is a PHP-based Web frontend to qmail and vmailmgrd.
It can be used by domain owners and single users to easily
administer their mail accounts without bothering the sysadmin.
Its features include mailbox/alias management, auto-responder
(vacation-like) support, support for changing passwords, and
translations for the French, English, Swedish, Chinese,
Japanese, Spanish, Italian, Russian, Danish, Romana, Czech,
Nederlands, and German languages
Downloads and Documentation
http://omail.omnis.ch