wp-spamspan WordPress Plugin

The "wp-spamspan" plugin implements strong, automatic anti-spam protection for email addresses in content on a WordPress site. To spam crawling 'bots, email addresses appear in obfuscated form. To human visitors, they appear as clickable links.

There are two parts to the wp-spamspan process. First, the message text is scanned for email addresses and they are rewritten into an obfuscated form.

So, if you have a post that contains the text:

chip@example.com

This plugin will rewrite that address to display as:

chip [at] example [dot] com

A 'bot that harvests email addresses will see this text and won't be able to extract a usable email address from it.

For human users, however, once the page is loaded into the web browser, a Javascript procedure runs that locates the obfuscated