Q: What are the IP address blocks of the LaneChange.Net Email Defense Servers?
A: The IP address block of the Email Defense service you need to allow to connect to your servers are:
220.127.116.11/28 (18.104.22.168 to 22.214.171.124) subnet 255.255.255.240
126.96.36.199/26 (188.8.131.52 to 184.108.40.206) subnet 255.255.255.192
220.127.116.11/23 (18.104.22.168 to 22.214.171.124) subnet 255.255.254.0
All other inbound connections to your email server should be blocked to prevent by-passing of our Email Defense filtering service.