You'll find support for Windows Live Mail (WLMail) in this public newsgroup:
microsoft.public.windows.live.mail.desktop
Via the web-interface:
http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.windows.live.mail.desktop
Via your newsreader:
news://msnews.microsoft.com/microsoft.public.windows.live.mail.desktop