Directory Administrator is an easy to use, graphical, LDAP directory management tool. It can be used to manage UNIX users and groups, corporate address book information, host-based access control and email routing for large organizations, etc.
This application is a GNOME based tool for the administration of mailboxes in Cyrus-IMAP servers. Currently it allows to control user quotas, create and remove mailboxes, and to manipulate the Access Control List for each mailbox; through a nice GUI.
(commercial) a full distributed management interface integrating sendmail, SpamAssassin, horde, and Open Anti-virus. It includes unlimited users, integrated anti-virus, user configurable spam-filter, a Web mail interface, disk quotas, custom sendmail setup, POP3, IMAP, and multi-level management
Mysql - Exim - Qpopper interface
An Exim, Qpopper, and MySQL mail system administration tool.
software for sendmail access, sendmail.cw, and aliases file management. It features virtusertable management for multiple domains, a built-in scoreboard signature-based anti-spam system, and support for managing POP3 users and their quotas
mysqmail is a replacement for the qmail standard checkpasswd that performs authentication with a MySQL table. After authentication, it sets up two environment variables that it uses to perform traffic accounting.
pMailAdmin is an HTML interface to the sendmail configuration files. It was made to simplify the work with creating new mail users and the aliases associated with them.
Postfix-policy is a policy server that uses ServerKit to achieve a high level of performance and scalability for Postfix servers. It is ideal for use with large mail systems utilizing Postfix for MX duties and MySQL for the management of accounts with basic policy needs.
provide a simple method for auditing e-mails in your company. Using regular expression for define the rules for auditing. In this version are accepting rules for mail from, to or subject
an extension to stock qmail-1.03 to get all user account information from an LDAP database. Its primary target is POP toasters with thousands to millions of users, such as in ISP, FreeMail, and Corporate environments
a patch to qmail that offers mail monitoring (duplication) functionality on both incoming and outgoing smtp traffic. the monitor ruleset is intuitive and allows the administrator to make changes w/o restarting the server processes
simplifies the installation of the powerful mail server qmail, Web mail, IMAP, and a mail administration system
an administrative tool for managing email on any Unix-like OS. It can handle multiple domains, users, mailing lists, etc. without requiring creation of Unix user accounts for mailboxes or authentication
Sendmail Extended Queue Groups
an m4 file that can be used to add extended queue groups to Sendmail 8.12.x. Extended queue groups allow administrators to choose multipe queue groups based on the sender, recipient, or sender and recipient pair
to create a virtual domains management system for QMail. It is easy to setup, create, and maintain. It is also very reliable and fast, and has been designed for big sites