ive used this to block spam:
EMAIL SCRAMBLER
Hey, I didn't sign up for that mailing list!Is that what you're thinking?? Wondering HOW that spammer found your email? It's easy. They harvest it.Want to find out how to STOP them? For more info visit go to the supplied link and click on EMAIL SCRAMBLER at the top
http://www.paidresponse.com/cgi-bin/a.pl?pr&8912
keeps everything away