Kuuak

Protect your email addresses from being harvested by automatic bots. 
Simply replace the emails in your post or page content by an unique shortcode.

Scramble Email

Simple shortcode to scramble (hide) email addresses to email bot harvesters.

Bensventures

Replace any email address in the content by theire ascii translation in order to avoid spam bots. The plugin is just a simple search and replace function hooked to a wordpress filter. No back end, no db, no mess.

EmailToAscii

EmailToAscii replaces email addresses in the content (post or page) by their ascii translation in order to avoid spam bots.

Scramble Email vs EmailToAscii