Mutt

http://msmtp.sourceforge.net/doc/mutt+msmtp.txt

http://www.spinnaker.de/mutt/muttrc

http://gushue.net/mutt.php

http://mutt.sourceforge.net/imap/

http://www.oreillynet.com/sysadmin/blog/2005/10/insert_dog_metaphor_here_using.html

http://www.oreillynet.com/sysadmin/blog/2005/02/muttthe_next_generation.html

http://mutt.blackfish.org.uk/overview/

http://www.gentoo.org/doc/en/guide-to-mutt.xml

apt-get install urlview

edit /etc/urlview/url_handler.sh and change the sensible-browser to firefox

http://muttprint.sourceforge.net/