Enkoder

Enkoder... Posting your email address on a website is a sure-fire way to get an inbox full of Spam. The Enkoder helps protect email addresses by converting them into encrypted JavaScript code, hiding them from email-harvesting robots while revealing them to real people.
Although the Enkoder should help to reduce Spam, no solution is perfect. The only way to truly prevent Spam is to never publish your address at all, ever, anywhere.