Free WordPress Simple Mail Address Encoder pluginFree
Automatically encodes every email address in a mailto tag on posts, pages, sidebar widgets and post/page meta values to prevent spam. Simply decodes any previously encoded email address by just clicking the email link.
This plugin does not have any graphical user interface – just activate it in your WordPress backend and let it do its job.
- Works without a graphical user interface
- Encodes email addresses in mailto tags in posts, pages, text widgets, comments, and post/page meta values
- Encodes email addresses even if the link is an image
- WordPress 3.0 or higher
- PHP 5.3 or higher
- A WordPress theme using the wp_footer() template tag
Source from: WordPress.org