Step 3: Configure the SMTP Service to relay mail to your mail server In this step, you configure the SMTP service to relay inbound messages to your mail server. Note: During installation, Mail essentials will perform this step for you automatically. Mail essentials will ask for your local domain name, and create it as a remote domain. You will see the domain listed in the right pane. However, if you do this step manually, you can confirm that your relay server is working properly before running the Mail essentials installation. More: Creating a local domain Configure the domain to relay mail to your mail server: