yes i know of one ... spambayes -- >
http://spambayes.sourceforge.net/windows.html
works with outlook, just read the help files and ask if you have any problems =-)
firewall : sygate is free and its pretty good. else a shareware version of zone alarm should be fine too
sygate -->
http://www.pcworld.com/downloads/fil...RSS,RSS,00.asp
zone alarm website google gives depends on the region you live in . just type zone alarm download into google and it wil tke you to closest link geographically to you
hope this helps