Topic: IRedAdmin on virtualhost

Thanks for IredMail, i think it's the easiest way to create a mail server.
- iRedMail version: 0.7.3-rc2 (work very well with CentOS 6)
- Linux/BSD distribution name and version: CentOS 6

I have whish to change apache configuration for accessing to roundcube, phpmyadmin and iredadmin by different sub-domain.
For example : rouncube by mail.domain, phpmyadmin by admin.domain.com/phpmyadmin and ireadmin by admin.domain.com/iredadmin

COuld you help me for change the config in /etc/httpd/conf.d/?