I have downloaded and installed SA from:
http://www.hmailserver.com/forum/viewtopic.php?f=12&t=12605&p=69405&hilit=spamassassin#p69405
then executed:
sa-learn –spam E:spamassassinspam
sa-learn –ham E:spamassassinham
now that I have executed sa-lean will I need to run it on a schedule