Changing/adding domains If you have changed your local domain or wish to add more local domains: 1. Go to the Administrative tools > Internet Information services. 2. Highlight the SMTP server node, right click, and select New > Domain. Now the 'New SMTP domain wizard' will appear. Giving the new domain a name 3. Now you must fill in a domain name. This would be your domain, for example mycompany.com. Click Finish. The domain will now be added and you must specify where the mail should be forwarded. 4. From the right-hand pane, double click on the remote domain that you have just created. Now a domain properties dialog will appear. 5. Under 'Forward all mail to smart host', enter the name or IP of your mail server. Tick the option 'Allow incoming mail to be relayed to this domain'. Click OK. Your new domain has now been installed and configured!