Reading articles like this makes me not want to trust Microsoft.

72 different colleges to use Windows Live for their email services. The problem with this is that Windows Live does not support any browsers besides IE 6, does not support POP or IMAP, and does not support email forwarding." From the article: "The Redmond company believes that catching the students early on will turn them into life-long users of Windows Live. They would likely create a Windows Live Messenger account, start a blog and organize their favorites under this e-mail account -- especially if they plan to continue using it, Microsoft says."

WHY SHOULD WE TRUST THEM!!!!
They keep doing lockin things like this. From the original article..

But although there has been a rapid uptake of the service, the company says it still meets resistance and skepticism. In return, Microsoft has been assuring education institutions that its only motivation is to get students using Windows Live, promising there are no ulterior plans.

Google is doing similar things....

Google recently announced a similar program for its Gmail service, serving students of San Jose City College in California.