MultiMail is an offline mail packet reader for UNIX and other systems. It
currently supports the Blue Wave, QWK, OMEN, and SOUP formats. It has a full
screen, color user interface, built with the curses library. Features include
auto-decompression of packets with external compress program, user-friendly
menus to select packet, area, letter, etc., save whole area or one letter in a
text file, enter mail in any area (using an external editor), insert tagline
from a tagline file, reply mail with quote, write netmail, and netmail
addressbook.

WWW: http://multimail.sourceforge.net/