MailboxValidator

This email validation plugin helps you to block disposable email, free email, invalid email or role-based email from using your services or input form.
It helps to block spam, temporary emails and invalid email address messing around your site. You don’t have to master the hard part of adding shortcode into page source to use this plugin, but to activate, configure and you’re ready to prevent all spam signups from invalid email addresses.
You can <a href="https://www.mailboxvalidator.com/plans#api" title="MailboxValidator API key sign up" rel="nofollow ugc">sign up for a free API key</a> at mailboxvalidator.com, that will allow you to validate up to 300 emails every month for free!
<h4>Supported Plugins</h4>
<ul>
<li>Contact Form 7</li>
<li>MailChimp</li>
<li>Formidable forms</li>
<li>WooCommerce</li>
<li>JetPack comments and contact form</li>
<li>Profile Builder</li>
<li>Ultimate Member registration form</li>
<li>Users Ultra registration form</li>
<li>Theme My Login</li>
<li>WP-Members</li>
<li>Paid Membership Pro</li>
<li>Visual Form Builder</li>
<li>Easy Digital Downloads registration form</li>
<li>and other plugins that yet come under our radar</li>
</ul>
<h4>Key Features</h4>
<ul>
<li>Accurate email verification result</li>
<li>Block invalid email.</li>
<li>Block disposable email.</li>
<li>Block free email.</li>
<li>Block role email.</li>
<li>Support domain blacklisting.</li>
</ul>
This email verification plugin needs a MailboxValidator API key to work. You can get a free API from <a href="https://www.mailboxvalidator.com/plans#api" title="MailboxValidator API key sign up" rel="nofollow ugc">MailboxValidator</a>.

MailboxValidator Email Validator

Email verification for WordPress forms. Block disposable, block spam, block invalid email, block free email and role-based email.

maranqz

The Cheapest advanced Email Address Validation to forms. Prevents typos in email address field and eliminates spam submissions with fake email addresses. The solution is based on Email Validator service.
Email validation is easy way to check and verify address by the validators: 
* Syntax; 
* Role; 
* Free domain; 
* Disposable 
* MX records; 
* SMTP (to check existing).
This plugin uses external service (Email Validator) and requires API Key which can be obtained <a href="https://rapidapi.com/maranqz/api/email-validator15/" rel="nofollow ugc">here</a>.
Please check Privacy Policy <a href="https://rapidapi.com/privacy/" rel="nofollow ugc">here</a> and Terms <a href="https://rapidapi.com/terms/" rel="nofollow ugc">here</a>.

GEV Email Validator

The Cheapest advanced Email Address Validation to forms. Prevents typos in email address field and eliminates spam submissions with fake email address …

MailboxValidator Email Validator vs GEV Email Validator