If you have an MSN or Hotmail account and are suddenly getting ‘access denied’ errors when you try to download mail through Outlook you probably missed the announcement that access using the HTTP protocol was going to end for good on Sept 1.

From now on out, users will need to use either the Outlook Connector or POP3/SMTP.

Outlook Connector – works with Outlook 2003/2007 only.
http://www.microsoft.com/downloads/details.aspx?FamilyID=9A2279B1-DF0A-46E1-AA93-7D4870871ECF&displaylang=en 

All other versions (any email program that supports POP3)
POP Server name: pop3.live.com
Outgoing server: smtp.live.com

While setting up the account. click on More Settings button and on 'Outgoing Mail Servers' tab, select the ‘My server requires authentication’ box. Most people will need to use the default option of ‘Use same settings as my incoming server’.

Click the Advanced tab, and under Server Port Numbers, enter the following information:

For more information and screenshots, see Denied Access to MSN accounts