==== Required information ====
- iRedMail version: Not running anything yet.
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version:
- Related log if you're reporting an issue:
======== Required information ====
- iRedMail version:
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version:
- Related log if you're reporting an issue:
====

Hi I would like to put my users in 2 groups.
Group 1 can send mail to everyone.
Group 2 can only send mail to group 1

Can this be done in iRedMail or should it be done in the underlying software; ldap, sql or postfix.