Well I see they have a few collages under their belt (http://www.zimbra.com/about/customer_list.html) but it doesnt look like any of them are as large as MSU. Wonder if there are realworld scalibilty issues? Other than that this seems like a really good solution. Scott Cassaday Information Technologist Instructional Media Center Michigan State University 517-432-8193 [log in to unmask]