==== Required information ====
- iRedMail version: 2.2.2
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Apache
- Linux/BSD distribution name and version: UBUNTU 14.04
- Related log if you're reporting an issue:
====

I have setup iRedapd (1.50)  successfully, this covers Black/White listing etc. What about the Greylisting? If I go to Greylisting Settings I am able to select "Apply greylisting to all incoming emails" and save the changes with the following response "Greylisting settings have been updated." but when you select the Greylisting setting, "Apply greylisting to all incoming emails" is not selected." is not selected. I noticed that in the Domain and user Greylisting is enables. But from the mail log grey listing is not working.

I know I have left out a configuration somewhere, please point me in the right direction.

Questions? What is the difference between iRedapd and Cluebringer, and in which situation would you use either one of them and which is preferred?