1. Open Outlook.
  2. Click the Tools menu, and select E-mail Accounts…
  3. Select View or change existing e-mail accounts and click Next.
  4. Click Add.
  5. Choose POP3 as your server type by clicking the radio button and click Next.
  6. 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 (e.g., Joe User).
    Email Address:
    Enter your full email address include domain name (e.g., joe@mydomain.com).

    Server Information
    Incoming mail server (POP3): mail.mainstreamit.com
    Outgoing mail server (SMTP): mail.mainstreamit.com

    Login Information
    User Name: Enter your full email address including domain name (e.g., joe@mydomain.com).
    Password: Enter your email password.

  7. Click More Settings… then click the Outgoing Server tab. Check the box next to My outgoing server (SMTP) requires authentication and select Use same settings as my incoming mail server.
  8. Click the Advanced tab and click both This server requires an encrypted connection (SSL) checkboxes. Then enter 465 in the Outgoing server (SMTP) box. Check the Leave a copy of messages on the server and Remove from server after __ days options (we recommend 14 days).
  9. Click OK.
  10. Click Test Account Settings… After receiving Congratulations! All tests completed… click Close. If you receive any error messages, please contact us for additional support.
  11. Click Finish.