Ahh that's a great idea I never thought of! Made the additions to squid and will test it out later. Thanks for the info.
William Stearns wrote:
What's the problem with using a proxy? I have instructions at http://www.stearns.org/sa-blacklist/ on how to use the sa-blacklist (the data underlying ws.surbl.org) in both squid and privoxy, using those proxies to block web access to the spammer web sites.