IP Addresses Used for Email Delivery

The following is the IP address range in CIDR notation that is used by SocketLabs to deliver messages for our customers using the SocketLabs On-Demand platform.

142.0.176.0/20

For information about the specific IP addresses used for the delivery of mail through your SocketLabs On-Demand Server please email support@socketlabs.com. For information about how to authenticate SocketLabs' IP addresses in your domains SPF record please see our article on Sender Policy Framework (SPF) with SocketLabs.