The Server Settings window contains the domain of the server and the account subscribers use to send requests to.

Enter the domain that people use when sending email to the server.

If you'll be using POP to receive email, you would also enter POP settings using the POP Settings button.

The administrator gets email regarding the operation of the server.

Enter your name and email address in the Administrator settings.

The Mail Transfer tab contains some settings that are a bit more technical like how many incoming and outgoing connections the server will manage.

Click OK to save the settings.

Next, we create a mailing list.