Cyrus IMAPd

The Cyrus IMAPd is the recognized leader for opensource high end mailingsystems.

Postfix

Postfix is high performance smtp server which the flexibility to use map-lookups to SQL databases. This allows to automate a lot of tasks and use SQL API's to enable mailadministration to many different application software.

PHP

PHP is the programing language for people who need good performance, reliability and easy to learn syntax.

This allows developers to easely expand web-cyradm with new functionality and contribute the code to the community. Thats also a reason why web-cyradm is growing further.

MySQL

MySQL is one of the two databases supported by web-cyradm. While PostgreSQL is used by highend users, MySQL is the best choice for small to medium installations.

PostgreSQL

PostgreSQL is best suited for large scale mailing sites. Since Postfix does not support natively PostgreSQL you need to apply a patch first.