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.

More…

With the addition of FREE POP3 access and SMTP, you can now send and receive Hotmail messages on any POP3 client. To setup you Gmail account to access your Hotmail, just do the following:

1. Login to Gmail.
2. Click settings at the top right.
3. Go to Accounts.
4. Under ‘Get mail from other accounts:’ select ‘add another mail account’.
5. This opens a popup, put in your Hotmail address.
6. For your username and password, put in your Hotmail address\Windows Live ID.
7. Setup the Settings with the following:
   POP3 Server: pop3.live.com
   POP Port: 995
   POP SSL Encryption: Yes (On or Required)

8. If you want SMTP to send from your Hotmail account, add the following for Outgoing Settings:
   SMTP Server: smtp.live.com
   SMTP Port: 25
   Authentication: Yes (On – Use POP username and password or Hotmail credentials)
   TLS or SSL Secure Encrypted Connection: Yes (On or Required)

Note that thiis FREE service is only available in certain countries and is being release worldwide by the end of Q4 2009. If you are not in one of the special countries you can set that up by following a little magic as posted on blog.computerplumber.ca