about adding blocked ip's to iredmail

==== Required information ====
- iRedMail version: 0.2.2
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Linux/BSD distribution name and version: ubuntu 12.04.2 lts
- Related log if you're reporting an issue:
====

I found an website that have an list of IP's that can be used to block spam and other things here is the website:
http://www.wizcrafts.net/chinese-iptabl … klist.html

I am just wondering where I can place this at on iredmail mail server setup.