HOWTO: Configure Outlook 2003
- Open Outlook.
- Click the Tools menu, and select E-mail Accounts…

- Select View or change existing e-mail accounts and click Next.

- Click Add.
- Choose POP3 as your server type by clicking the radio button and click Next.

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

- 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).

- Click OK.
- Click Test Account Settings… After receiving Congratulations! All tests completed… click Close. If you receive any error messages, please contact us for additional support.

- Click Finish.