Escargot is a replacement for the now-defunct MSN servers.
Escargot is currently experimental but usable. Support is planned for all MSN Messenger clients, and maybe the earlier WLM clients.
email@example.com. (It doesn't matter what you put in "real" password field.)
(To reset/change your password for an existing account, click here.)
This is a work in progress. There will be bugs.