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:
184.108.40.206/28 (220.127.116.11 to 18.104.22.168) subnet 255.255.255.240
22.214.171.124/26 (126.96.36.199 to 188.8.131.52) subnet 255.255.255.192
184.108.40.206/23 (220.127.116.11 to 18.104.22.168) 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.