You are asked to specify a Subscription ID (choose one that is unique to your organization) and Password, provide contact information for your self and your organization, and agree to the Hosted Relay Service Terms of Service. Click Submit.
Once you have successfully registered, an email is sent to you confirming your registration.
Log in to your newly created account by clicking Log In.
Enter the Subscription ID and Password you entered during the registration process. Once logged in, you are taken to the Account Information page. The account information page allows you to modify subscriber information and specify the back-end server farm(s) that
will be accessing this service.