How does the mailto cloaking technology work?
Before the advent of email spam robot programs which systematically cull email addresses for spamming purposes it was safe to publish your email address on your website using the simple “mailto :” identifier. Unfortunately most people don’t want their email addresses harvested therefore Web Cal Plus comes with mailto cloaking technology which makes it virtually impossible for a spamming robot to harvest your email. It works by using a combination of defenses: JavaScript, not including the term mailto in the text, hiding the ‘@’ symbol and encoding the email address using ascii character codes. Encoding Example: The email ‘); document.write (s8353 + ”); // –> is visible here and looks normal but it’s actually cloaked. If you click on it or run your mouse over it you’ll see that it indeed works properly. The cloaking is in the source code which is what the robots see when harvesting email addresses. Look at the source code to this page and you’ll see how it was cloaked. By the way we’v