Dan Benjamin has updated his Hiveware – Enkoder Form
From the site:
Enkoder Form 6.0
Protect your Email address from Spam (unsolicited Email advertisements).
Posting your email address on your web-site is a sure-fire way to get an Inbox full of spam. One way to protect yourself is to “encode” your address, making it more difficult to discover. This tool is useful for protecting an email address on a web-page, not for sending email. Lots of people ask about this.