Below will show you how you can enable SMTP authentication for Microsoft Outlook 2002 :

Microsoft Outlook 2002

1. Launch Outlook.

2. Select Tools > E-mail Accounts...

3. Select "View or change email accounts"

4. Click "More settings".

5. Select the "Outgoing Server" tab.

6. Check the "My outgoing server (SMTP) requires authentication" box. Make sure the "Use same settings as my Incoming Mail Server" is checked.

7. Click "OK" button. Click "Next". Click "Finish".