Autofirewall for Linux MTA running postfix

I have written a perl program that protects a Linux MTA running postfix. The program snifs on /var/log/mail. If a host is doing something wrong/illegal he will be blocked for 24 hours. Three illegal attemps in 20 minutes triggers a drop action in firewalld.Sorry for the comments in the script being in danish. Installation: Update… Læs mere Autofirewall for Linux MTA running postfix