On Fri, 29 Dec 2006, Tim wrote:
Knowing a good place to start is a help...
I trust you are not going to do this Tim, since I was called a racist by you for deciding what my users can or can not get in the way of blocking mail, including spam by using methods like SA.
However if you've actually woken up and smelt the morning coffee, I'd also suggest RuleDeJour script which gets all the stuff from rulesemporium and keeps it up to date in a daily run from crontab, http://www.fsl.com/support/Rules_Du_Jour.tar.gz