Check the Use Authentication checkbox.Enter in the Outgoing Mail Server field.Enter a description that will help you identify your account in the Description field.Note: You may receive an error at this point indicating that you may not be able to receive mail. Click Continue. Enter your Google Mobile/Desktop Client password or your Internet password (if you have synced your passwords) in the Password field.Enter your email user name ) in the User Name field.Enter in the Incoming Mail Server field.
Enter your full name as you would like it to appear on emails sent from this account.Click the + symbol in the bottom left corner of the window.Under the Mail menu, select Preferences.If this is the first time you’re connecting an account to Apple Mail, the Welcome to Mail window will appear. To set up Gmail on Apple Mail for OS X 10.8, complete the following steps: