Naqi

♣ Contact Form 7, Ninja Form, Gravity Form, Woocommerce Compatible
Verify Emails in Real-Time without sending any email at Contact Form 7, Ninja Form, Gravity Forms, Comments, Registrations, Woocommerce Orders, Subscribers. Kick SPAM & Verify for Real Valid Emails and detect Hard Bounced Emails. A complete validation tool of its kind. 
WP Email Verify is advance email validation rules that can detect only genuine and deliverable email addresses. We guarantee success rate of more than 97%. 
This plugin not only check syntax of email. It also checks for complete email verification so your website only accept leads from verified emails and visitors.
<a href="http://verify.hostandsoft.com" rel="nofollow ugc">DEMOS</a>
Why use WP Email Verify ? 
* Checks for Hard Bounced Emails 
* Real-time Validation 
* Syntax Chech, Domain Check 
* Ever lost lead due to client typo email address in your contact form 
* Got spam form submission from disposable emails 
* Spam comments in your comment section 
* And more…
Our plugin extends is_email() validation rule of wordpress plugin. So any other form plugin that uses this function works with our email checker.
It works with :
<ul>
<li>Contact Form 7 – UPDATED</li>
<li>Gravity Forms</li>
<li>Ninja Forms – UPDATED</li>
<li>WordPress Registration</li>
<li>WordPress Comments</li>
<li>Any many more which uses is_email wordpress function.</li>
</ul>
All the email checking is done in our dedicated server and you don’t need to worry about your IP getting blocked due to the check. We handle all this for you.
Please generate the API key (Free for Test, Premium) from <a href="https://verify.hostandsoft.com" rel="nofollow ugc">here</a>. API key is need to connect to our server for the email check.
For any issue, please visit our <a href="https://verify.hostandsoft.com/support.php" rel="nofollow ugc">dedicated support forum</a>.
Privacy Policy : We don’t store any email during the email check process. Only you API key details (Name, Email & Remaining Check Credits) are stored in our server.

WP Email Verify

Keep away SPAM comments,registration,ecommerce orders, WP Email Verify accepts email that really exisit this keep away bounced 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 …

WP Email Verify vs GEV Email Validator