To set up your Outlook 2003 client:

  1. Open Outlook.
  2. Click the Tools menu, and select E-mail Accounts…
  3. Click Add a new e-mail account, and click Next.
  4. Choose IMAP as your server type by clicking the radio button, and click Next.
  5. Fill in all necessary fields to include the following information:

    User Information
    Your Name: Enter your name as you would like it to appear in the From: field of outgoing messages.
    Email Address: Enter your full email address (username@your_domain.com)Server Information
    Incoming mail server: mail.themarcomgroup.com
    Outgoing mail server: mail.themarcomgroup.com

    Login Information
    User Name: Enter your username (including @your_domain.com).
    Password: Enter your email password

  6. Click Test Account Settings… After receiving Congratulations! All tests completed successfully, click Close.
  7. If you have trouble with the SMTP/Sending server continue the instructions below to use SMTP Authorization. If not go straight to the last step.
  8. Click More Settings… and then click the Outgoing Server tab.
  9. Check the box next to My outgoing server (SMTP) requires authentication and select Use same settings as my incoming mail server.
  10. Click OK.
  11. Click Test Account Settings… After receiving Congratulations! All tests completed successfully, click Close.
  12. Click Next, and then click Finish.
For port settings:
Incoming port 143
Outgoing port 587