The details depend on which email provider you're going to use.  Many
people choose their internet provider as their email provider also, since
most internet accounts include one or most email accounts.  If they haven't
written instructions for Windows Mail yet, their instructions for Outlook
Express should also work under Windows Mail if they don't call for the
HTTP protocol.  The instructions are probably somewhere on their web
site.  Call them if you need to know where to look.