"For the Linux user, there are e-mail clients for every
persuasion, from simple command-line tools such as "mail", to
console interfaces like Pine, up to the integrated GUI mail client
in Netscape Communicator. In between are some simple and solid GUI
e-mail clients that can make the transition from Windows less
painful for the average user.
"In this article we'll showcase and compare three GUI e-mail
clients including Balsa, Mahogany, and Kmail..."