Select POP for the Account Type and enter a description (such as Frontier), the email address, and the full name (display name) that you would like to appear on your outgoing email.If you do not see Add Account, click Accounts, then click the plus sign (+) located at the bottom left-hand side of the window to add an account. Launch Macintosh Mail and click Mail > Preferences > Add Account.To set up your Frontier email account in Macintosh Mail: The instructions for setting up your Frontier email account in Macintosh Mail will vary just slightly depending on which version of the program you are using.