==== Required information ====
- iRedMail version: 0.8.3
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version: centos 6.2
- Related log if you're reporting an issue:
====
my network is using 192.168.1.X
i want to block one ip 192.168.1.100 send mail
192.168.1.100 still need access pop3