Its just a spam email thats going around, telling people if you dont send it on, you will have to pay for msn, and msn can tell if you are circulating it or not. Etc. Usuall bull.
msn will remain free.... you can be assured of that!
that email is bogus its been going around for donkys years now! i got it a few years ago and being the kid i was back then i got worried lol but nah, its free!