Locking Down Mail Server

abarkow

Registered
Oct 8, 2002
3
0
151
How would I go about locking down my mail server (exim) by only accepting SMTP trafffic from specific IP subnets?

I have the APF firewall, but I am unsure if this is where I should be looking?
 

Un Area

Well-Known Member
Nov 16, 2006
90
1
156
You should use IPTABLES for drop all port 25 trafic except the IP ranges you want to accept.

Bye!