Want to enable SMTP authentication for your email, here is how to do it in a variety of clients.

Microsoft Outlook 2002 (XP) and 2003

1. From the Tools menu, choose E-mail Accounts.
2. Click in the circle beside “View or change existing e-mail accounts.” Click Next.
3. Click the email account you wish to modify and then click Change.
4. Click More Settings.
5. From the tabs along the top, click “Outgoing Server.”
6. Check “My outgoing server requires authentication”.
7. Also, make sure to check “Use same settings as my incoming mail server.”
8. Click OK.
9. Click Next.
10. Click Finish.

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