[CentOS] mail tools preferences?

On 01/18/2014 10:18 PM, Always Learning wrote:
> We block all incoming emails from mail servers with host names
> resembling home Internet connections and also when the HELO/EHLO doesn't
> resolve to the host name. Consequently we don't get spam.
>

I effectively blocked most of spam also on my Postfix server. 
Reverse-FQDN, RBL, etc... Some slip by, from regular mail servers, but 
not much.

-- 
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

StarOS, Mikrotik and CentOS/RHEL/Linux consultant