*`mod_wsgi` 2.1+. Apache module used to host Python application which supports the Python WSGI interface.
*`Python` 2.4+, core programming language. Warning: Python 3.x is not supported yet.
*`web.py`, 0.32+. A python-powered web framework.
*`MySQLdb`: A thread-compatible interface to the popular MySQL database server that provides the Python database API. Required if you store mail accounts in OpenLDAP, MySQL or MariaDB.
*`Python-LDAP` 2.3.7+: An object-oriented API to access LDAP directory servers from Python programs. Required if you store mail accounts in OpenLDAP.
*`Python-psycopg2`: interface to the PostgreSQL database server from Python programs. Required if you store mail accounts in PostgreSQL.
## Download iRedAdmin and configure Apache web server
* Download iRedAdmin open source edition [here](http://www.iredmail.org/yum/misc/).
If you're trying to install iRedAdmin-Pro, please [contact us](../contact.html)
to get download link of iRedAdmin-Pro.
* Copy iRedAdmin to `/usr/local/www/`, set correct file permissions, and create symbol link.
```
# tar xjf iRedAdmin-x.y.z.tar.bz2 -C /usr/local/www/