Found out what the problem was:
I needed to put in my internal IP address mynetwork settings ...
Originally Posted by kisong
What i'm trying to do is use the mynetworks setting to allow SMTP connections from my block of IP Addresses (188.8.131.52 through 184.108.40.206).
Do I have to do this in CIDR format? If so, what would be the exact CIDR I would use?