I&#039m trying to setup some access to an Exchange 5.5 server, where the user inputs their username and password, and then I do the authentication for them (as opposed to just popping up the username/password window, which isn&#039t possible on the WML platform I&#039m using)... however, I can&#039t find any way to authenticate a user for them using their username/password... does anyone know of any way to authorize a user and return the security context so we can impersonate them? This has been driving me crazy for 2 days now, and it&#039s not a great thing to be allowing users to have anonymous access to their exchange accounts! <BR><BR>Thanks in advance,<BR><BR>Rayn