By giving current students and all alumni a lifetime e-mail account accessed through a portal, Plymouth State University has enhanced its ability to stay in touch with graduates long after they leave the university.Beginning in 1999, the New Hampshire university began giving graduating seniors lifetime e-mail accounts; in 2005, with the creation of a portal called MyPlymouth.com, every alum--some 25,000 people--received a lifetime e-mail address hosted by the university, along with use of other services offered free of charge through the portal site....