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Free Plugin by clearoutio v3.3.1

Clearout Email Validator

Block invalid emails like temporary, disposable, etc. with our real-time email verification. Verify email address during form-fill and stop form spam.

Clearout Email Validator

The facts

Rating
4.2★ from 13
Active installs
600+
Price
Free
Last updated
18 Feb 2026
Added
Oct 2019
Requires WP
4.6
Tested up to
WP 6.9.7
Downloads
33,926

Our analysis

AI-assisted

Clearout Email Validator is a WordPress plugin designed for real-time email verification on various forms. It performs over 20 validation checks to assess the status of email addresses, helping to filter out invalid or temporary addresses and improve the quality of your email list.

This plugin is suitable for users who want to ensure that only valid email addresses are collected through their forms, thereby protecting sender reputation and preventing fraudulent signups. It integrates with a wide range of popular form plugins, making it versatile for different WordPress setups.

Best for: This plugin is best for WordPress site owners who manage forms and want to validate email addresses effectively.

What it does well

  • Performs over 20 real-time validation checks
  • Integrates with multiple popular form plugins
  • Customisation options to block free email providers
  • Helps prevent fraudulent signups
  • Offers API integration for seamless functionality

Where it falls short

  • Requires a Clearout account for API token
  • Limited information on support and updates

Verdict

Clearout Email Validator offers a robust solution for real-time email verification, suitable for those looking to maintain high-quality email lists. Its integration with various form plugins enhances its usability across different WordPress sites.

From the developer

clearoutio's own description of Clearout Email Validator, lightly tidied.

Clearout Email Validation plugin seamlessly integrates with all major forms to validate the email addresses in real time.

The plugin performs 20+ refined real-time validation checks to determine the current status of the email address. These checks include extensive verifications like greylist verification, anti-spam check, gibberish check, catch-all verification, email blacklist verification, temporary email address check, and more.

Key Benefits of Using Clearout Email Verification Plugin:

  • Accept only safe-to-send email address to protect your sender reputation
  • Accept only business or work email addresses
  • Prevent fraudulent signups or leads getting into CRM by stopping temporary / disposable / throw away email addresses
  • Customization to Block free email address providers like gmail.com / yahoo.com / hotmail.com
  • Remove duplicate and alias email addresses

How to Install Clearout Email Verifier Plugin

Obtain an API Token:
1. Log in to your Clearout account.
2. Navigate to the ‘Developer’ menu and click on ‘+ Create API Token’.
3. Add the necessary details for reference, and click on “Create” to generate the API token.

Create a Clearout Account (if you don’t have one):
1. Sign up for a Clearout account to get 100 free email validation credits with no credit card required.

For more detailed instructions, visit Clearout Email Verifier Plugin Installation.

Supported Forms/Plugins

The Clearout email verification plugin supports a rich set of popular form-based plugins by listening to email address capture flow or by hooking into WordPress is_email() function:

  • Elementor Form
  • Gravity Forms
  • Forminator Form
  • WooCommerce Checkout Forms
  • WooCommerce Registration Form
  • Fluent Form
  • WP Forms
  • Formidable forms
  • WS Form
  • WP-Members
  • Contact Form
  • Mailster Form
  • MailChimp
  • Ninja Forms
  • Profile Builder
  • Ultimate Member registration form
  • Users Ultra registration form
  • JetPack comments and a contact form
  • MailPoet
  • Theme My Login
  • Paid Memberships Pro
  • Form Maker by 10Web
  • Visual Form Builder
  • Any WordPress registrations & contact forms

Key Features

  • Accurate Email Verification
  • Fastest Real-time Email Validation
  • Seamless API Integration
  • Guaranteed Deliverability (Safe to send)
  • High Precision Advanced Catch-all Resolver
  • Block Role Email
  • Block Disposable Email
  • Block Gibberish Email
  • Email / Domain Allowlisting and Blocklisting
  • Custom Error Message
  • Limit email validation to only required pages
  • Low Credit Notification Alert
  • Team Accounts
  • Syntax Verification
  • Test email addresses

Know A Little More About Clearout Email Verification Service

In addition to its availability as a WordPress Plugin, Clearout Email Verifier supports email verification in multiple forms and ways to meet the needs of the user. Other verification methods supported by Clearout Email Verifier are – Bulk email list validation, real-time email validation API, and Form Guard Email Validation.

Further reading

Read the full description on the official page →

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