Step 1: Open Entourage.
Step 2: Click Accounts in the Tools menu.

Step 3: Click the New button in the top-left of the Accounts window.

Step 4: The Account Setup Assistant window will open. Click the Configure account manually button, in the bottom-left of the window

Step 5: The Edit Account window will open. Use the Account name text-box to enter a name for your mailbox. This can be anything and is only seen by you when you use Entourage.

Step 6: Ensure the Include this account in my "Send & Receive All" schedule check-box is selected.

Step 7: Enter your name in the Name text-box.

Step 8: Enter the mailbox's email address in the E-mail address text-box.

Step 9: Again, enter the mailbox's email address in the Account ID text-box.

Step 10: Enter your incoming mail server in the POP server text-box. This is mail.yourdomain.co.uk (replace yourdomain.co.uk with your domain name).

Step 11: Enter the password you chose when you created the mailbox in the Password text-box.

Step 12: If you'd prefer to save the password, rather than having to type it in each time you access your email, click the Save password in my Mac OS keychain check-box.

Note: If you are setting up a Standard mailbox, and you connect using an ISP other than 123 Internet Designs Ltd Broadband or Dial, you should follow your ISP's instructions for setting up an outgoing mail server, then skip to step 16.

Step 13: In the Sending mail section, enter "smtp.yourdomain.co.uk" in the SMTP server text-box.

Note: If you are setting up a Standard mailbox using 123 Internet Designs Ltd Broadband or Dial, skip to step 16.

Step 14: Click the Click here for advanced sending options button.

Step 15: Click the SMTP server requires authentication check-box and ensure the Use same settings as receiving mail server radio button is selected.

Step 16: Click anywhere on the Edit Account window, then click the OK button to finish setting up your mailbox.