Email Address Encoder的作者是Till Krüss,目前有100,000+个有效安装。已经Tested with 5.4.1版本的wordpress。
A lightweight plugin that protects plain email addresses and mailto links from email-harvesting robots, by encoding them into decimal and hexadecimal entities. Has an effect on the posts, pages, comments, excerpts, text widgets and other filtered content. Works without JavaScript — just simple spam protection.
To see whether all your email addresses are properly protected, use the free page scanner tool.
Other content (like phone numbers) can be protected using [encode] shortcode:
[encode]+1 (555) 123-4567[/encode]

Premium Features

Full-page protection that catches all email addresses
Hardened protection using JavaScript and CSS techniques
Improved phone number protection
Built-in plugin support for ACF, Jetpack, WooCommerce and many others

Check out the Premium version of Email Address Encoder.