Step 1: Open the Accounts View
Because you can set up as many mail accounts as you want, the Internet Accounts dialog box displays all your account information. To open it, choose Tools, Accounts from the menu bar.
Step 2: Create a New Account
The Internet Accounts dialog box has three tabs at the top. Click Mail to see only your mail accounts. Choose Add to start creating a new account.
Step 3: Answer the Wizard's Questions
Answer the questions on each page of the Internet Connection Wizard, choosing the Next button to move from one question to the next.
Step 4: Enter Your Server Names
You may have to verify some of the wizard's questions. In particular, your POP server and SMTP server names are. Your pop server is yourdomain.com and your SMTP server will be the one your ISP uses. This information is required if Outlook is to properly connect to your mail account for sending and retrieving mail
Step 5: Enter Your Logon Name
In this section you will need to enter the username and password of the account that you are trying to check. "Example" If I want to check firstname.lastname@example.org the username will be me and the password will be the one I set in the Mail Manager of my Control Panel.
Step 6: Choose a Connection
Select the kind of Internet connection that your computer uses. It's often convenient to select Connect Using My Local Area Network, even if you use a modem to connect to the Internet.
Step 7: Set a Default Account
If you want to make your new account the default for sending email, select the account name and click the Set as Default button.