OT: "Nolisting"

[Alex Neuman]

How about trying to set up a third MX that points to the first?  
Everybody else would still be shut out by the iptables rules. Give  
that a shot! :D

On May 27, 2008, at 9:30 AM, Richard Frovarp wrote:

>
> We handle internal mail via our primary MX. We use iptables with tcp- 
> reset to keep everyone else out. This prevents timeout delays from  
> the connecting servers. When we implemented this, we did not see any  
> drop in spam. We did notice that since internal mail was not  
> competing against spam for resources, the delivery times were much  
> improved.
> --