...suggestions to this list of ignomy. Lets get starting with my favourite IBM: cc:Mail - probably the most successful emailsystem in the early 90's (although it was screwed over by Lotus before IBM aquired them) Lotus Notes - 'nuff said ...
http://www.computerweekly.com/blogs/it-collaboration-technology-blog/
I would be concerned about the privacy implications of using Yahoo Mail, Hotmail, or GMail for your student and faculty email. Now, granted, a lot of college students will be using one of those three for their personal email accounts *anyhow*, but for faculty in particular, and even some
http://alterslash.org/#Choosing_a_Replacement_Email_System_For_a_University