Admin for some (more than one)

==== Required information ====
- iRedMail version: 0.8.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Linux/BSD distribution name and version: Debian
- Related log if you're reporting an issue:
====

Hi,

is it possible to have a (sub)admin who can administer some domains but not all? Something inbetween domain-admin and general admin. Think of a partner or reseller...

Thanks

Jochen