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  4. Byteplant Email Validator
Byteplant Email Validator icon

Byteplant Email Validator

With the Byteplant Email Validator plugin you can easily verify with a real-time live check if an email address really exists and is valid (https://ww …

By byteplant·Spam·Free
3.8(9 reviews)
·100 active installs·Updated 6 months ago
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As of April 2026, Byteplant Email Validator is a WordPress spam plugin with 100 active installations and a 3.8/5 rating from 9 reviews. It has been downloaded 11K+ times in total. Requires WordPress 3.0.1+ and PHP false+. Available on WordPress.org since 2016. Top alternative: Akismet Anti-spam: Spam Protection.

3.8/59 reviews
100active installs
11K+total downloads
10 yearssince 2016

Overview

Real-Time Email Validation – Live Check

This plugin uses the Byteplant Email-Validator API (https://www.byteplant.com/email-validator/) for a real-time live check to find out if an email address really exists or not.

Supported Plugins / Compatible Forms

The plugin integrates seamlessly with:

  • Contact Form 7
  • Gravity Forms
  • WPForms
  • Ninja Forms
  • Jetpack/Grunion
  • WooCommerce
  • WordPress registration forms
  • WordPress comments
  • and with any other form which uses the is_email() function (no changes required).

The plugin can also be easily integrated into any 3rd party forms.

Key Features

The Email-Validator API real-time validation process includes a live check with all of the following tests:

  • Syntax verification (IETF/RFC standard conformance)
  • DNS validation, including MX record lookup
  • Disposa…
Read full description on WordPress.org

Screenshots

Ratings & Reviews

3.89 reviews
5 ★
6
4 ★
0
3 ★
0
2 ★
1
1 ★
2

Compatibility

WordPress3.0.1+ requiredTested up to 6.8.5
PHPfalse+ required

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Frequently Asked Questions

Contributors

byteplantbyteplant
Plugin Info
Version
6.7
Last Updated
Sep 20, 2025
WP Requires
3.0.1+
Tested Up To
6.8.5
PHP Requires
false+
Active Installs
100
Downloads
11K+
Added
Jan 28, 2016
Business
Free

Tags

spamemailanti-spamvalidationemail validation

Developer

B
byteplant
3 plugins0.0M+ total installs
View all plugins →

Quick Compare

Byteplant Email Validator vs Akismet Anti-spam: Spam Protection→Byteplant Email Validator vs Sucuri Security – Auditing, Malware…→Byteplant Email Validator vs WP Mail Logging→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.