quickemailverification

An email verification plugin by <a href="http://quickemailverification.com" rel="nofollow ugc">QuickEmailVerification</a> enables you to validate and verify the email address existence in real time, before you actually send them an email. Its unique email verification system is composed of multiple different validations starting from syntax checking to the end users’ mailbox existence checking. It not only detects invalid email addresses but also detects many other types of poor email addresses which could negatively impact the email deliverability and harm your sender reputation.
This plugin need a QuickEmailVerification API key to verify. You can get it from <a href="https://quickemailverification.com/apisettings" title="Get your API key" rel="nofollow ugc">API settings</a> page of QuickEmailVerification service.
<h4>Key features</h4>
<ul>
<li>Email address syntax checking</li>
<li>Domain/MX records checking</li>
<li>Role address detection</li>
<li>Disposable email address (DEA) detection</li>
<li>Free email service detection</li>
<li>Typo detection and suggestion</li>
<li>Accept all email checking</li>
<li>Mailbox existence checking</li>
</ul>
<h4>Supported form Plugins</h4>
<ul>
<li>Contact Form 7</li>
<li>Formidable forms</li>
<li>Ninja forms</li>
<li>WooCommerce</li>
<li>WPForms</li>
<li>Profile Builder</li>
<li>Contact Form by BestWebSoft</li>
<li>Ultimate Member registration form</li>
<li>Fluent Forms</li>
<li>WPEverest forms</li>
<li>MailPoet</li>
<li>Theme My Login</li>
<li>WP-Members</li>
<li>Visual Form Builder</li>
<li>PlanSo forms</li>
<li>Buddypress registration form</li>
<li>Any other form which uses the is_email() function</li>
</ul>
This plugin works either with “is_email()” function or with any other supported form plugins. So if any supported form plugin is enabled, “is_email()” hook will automatically be disabled.
To know more about email verification results, please have a look at the <a href="http://docs.quickemailverification.com/getting-started/understanding-email-verification-result" rel="nofollow ugc">QuickEmailVerification knowledge base</a>.

QuickEmailVerification

The QuickEmailVerification email verification plugin to avoid fake, bad and nonexistent emails.

Antideo

The email validator is designed by Antideo to help combat spam coming in through contact forms. Antideo <a href="https://www.antideo.com/email-validation/" rel="nofollow ugc">validates email addresses</a> entered through your contact forms in real time to prevent inquiries from fake email addresses. The email validator plugin comes packed with several features that help you –
<ul>
<li>Check the syntax of the email entered, to quickly flag the error to the visitor</li>
<li>Check for disposable or temporary emails</li>
<li>Prevent inquiries from free ESP’s like Gmail, Yahoo, etc (Can be switched on and off)</li>
<li>Prevent inquiries from role-based emails like info@, support@, admin@ etc (Can be switched on and off)</li>
<li>Check MX records to identify invalid emails</li>
<li>Create and maintain your own local whitelist of domains and emails </li>
<li>Create and maintain your own local blacklist of domains and emails</li>
</ul>
Armed with the capabilities of our plugin you would be able to eliminate a major portion of contact form spam, as spammers seldom use a valid business email address. Our plugin out of the box is compatible with major forms like
<ul>
<li>Contact Form 7</li>
<li>Gravity Forms</li>
<li>Mailster Form</li>
<li>WooCommerce</li>
<li>MailChimp</li>
<li>Ninja Forms</li>
<li>Formidable forms</li>
<li>JetPack comments and a contact form</li>
<li>MailPoet</li>
<li>WP-Members</li>
<li>Paid Membership Pro</li>
<li>Form Maker by 10Web</li>
<li>Visual Form Builder 
And pretty much any other form that uses the default WordPress is_email() function. The plugin is very easy to install and activate, no tech knowledge whatsoever is needed to get going with the plugin.</li>
</ul>
Advantages of our plugin
<ul>
<li>No limits on the number of validations – go crazy, it’s unlimited!!</li>
<li>Real time validations done in a fraction of a second</li>
<li>Extensive database of 84K+ disposable email domains and constantly being updated with newer ones</li>
<li>Clean and super friendly UI that is easy to use</li>
<li>A powerful free version and an affordable premium version </li>
</ul>
We are literally eating our own dog food, implementing the <a href="https://www.antideo.com/wordpress-email-validation-plugin/" rel="nofollow ugc">Antideo Email Validation plugin</a> on several websites that we own, which has resulted in spam inquiries going down by over 87%.
You can access more information on the plugin as well as the several aspects of email validation <a href="https://www.antideo.com/blog/" rel="nofollow ugc">here</a>.
Disclaimer: This plugin is an email validator and not an email verifier

Antideo Email Validator

Form email validation, Email Blacklist, Domain Blacklist, Form email check, Real time email validator Requires at least: 4.7 Tested up to: 6.9.

QuickEmailVerification vs Antideo Email Validator