Berg Informatik

The plugin searches the content before output and replaces all emails with a tricky javascript spam protection. The visitor will not notice any change, only spam bots can not grab your emails anymore. For your themes, the plugin provides some handy helper functions to protect emails.
<pre><code>BinEmailSpamProtection::cryptMail('mail@example.com') = javascript:DeCryptX('jogpAflti/di')

BinEmailSpamProtection::cryptMailLink('mail@example.com', [optional text]) = <a class="noSpam" href="javascript:DeCryptX('jogpAflti/di')">mail@nospam-example.com</a>

BinEmailSpamProtection::linktext('mail@example.com') = mail@nospam-example.com
</code></pre>
To avoid problems when the plugin is not active, check to see if the class exists before using it:
<pre><code>$protected = (class_exists('BinEmailSpamProtection') ? BinEmailSpamProtection::cryptMail('mail@example.com') : 'mailto:'mail@example.com');
</code></pre>

Email Spam Protection

The Email Spam Protection Plugin is an easy-to-use and configuration-free plug-in to protect email addresses from automatically collecting by spam bot …

Neotrendy

A lightweight plugin that protects email addresses from email-harvesting bots, by converting email addresses characters to HTML entities. Hide email from Spam Bots using a shortcode <code>[obfuscate_email]</code> and built-in WordPress function <a href="https://developer.wordpress.org/reference/functions/antispambot/" title="antispambot" rel="nofollow ugc">antispambot()</a>.
<h4>Features</h4>
<ul>
<li>Obfuscate plain email address</li>
<li>Obfuscate href mailto link in HTML anchor element</li>
<li>Support for custom CSS class</li>
<li>Support for email subject</li>
</ul>
<h4>Usage</h4>
Obfuscate plain email address
<pre><code>[obfuscate_email email="your@email.com"]
</code></pre>
Create clickable email address
<pre><code>[obfuscate_email email="your@email.com" link=true]
</code></pre>
Add CSS class to the HTML anchor element
<pre><code>[obfuscate_email email="your@email.com" link=true class="my-class another-class"]
</code></pre>
Obfuscate email address with email subject
<pre><code>[obfuscate_email email='your@email.com?subject=My custom email subject']
</code></pre>
<h4>Shortcode parameter</h4>
<ul>
<li><code>email</code> required – Email address.</li>
<li><code>link</code> optional – Set true if you want to create clickable email address.</li>
<li><code>class</code> optional – Add space separated list of classes.</li>
</ul>

Email Address Obfuscation

The best plugins are the ones you install and they just work. This is one of those plugins. Thanks for creating a simple tool to obfuscate email addresses.

Does exactly what it says it will

Email Address Obfuscation prevents email harvesting by hiding email address appearing in your pages, while remaining visible to your site visitors.

Email Spam Protection vs Email Address Obfuscation