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Best WordPress Plugins for Email Validation

11 plugins compared · Updated August 2026 · Email Validation

All Free only 11 Premium only

Choosing a WordPress plugin for email validation comes down to a few things: whether it is still actively maintained, whether real users rate it well, and whether it does the specific job you need without dragging the rest of the site down.

We ranked 11 plugins using our WPScore, which weighs the user rating (adjusted for how many people actually rated it), how many sites run it, how recently it was updated, and which WordPress version it is tested against. 11 of them have enough public data to be scored; the rest are listed below the ranked block, clearly marked, rather than being given a number we cannot justify.

How this list is funded. Some links here earn us a commission if you buy. It costs you nothing extra, and it does not move anything up the list — the order comes from the WPScore, which is calculated from public ratings, install counts and update history. See the method.

At a glance

  1. 1. ZeroBounce Email Verification & Validation Best overall 78/100
  2. 2. QuickEmailVerification 78/100
  3. 3. Email Validator for Contact Form 7 77/100
  4. 4. DeBounce Email Validator 76/100
  5. 5. UserCheck 76/100
  6. 6. Byteplant Email Validator 75/100
  7. 7. Clearout Email Validator 72/100
  8. 8. Antideo Email Validator 70/100
  9. 9. Dilli Email Validator 70/100
  10. 10. Contact Form 7 Email Validation 47/100
  11. 11. Mailgun Email Validator 44/100
2 QuickEmailVerification
Free by quickemailverification

QuickEmailVerification

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

5★
from 5 ratings
200+
active installs
Updated
Jun 2026
Tested to
WP 7.0.4
78

WPScore

Read review View on WordPress.org
4 DeBounce Email Validator
Free by debounce

DeBounce Email Validator

Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.

3.9★
from 16 ratings
300+
active installs
Updated
Aug 2026
Tested to
WP 7.1
76

WPScore

Read review View on WordPress.org
5 UserCheck
Free by UserCheck

UserCheck

Block disposable and throwaway email addresses on your WordPress site.

5★
from 1 ratings
100+
active installs
Updated
Aug 2026
Tested to
WP 7.1
76

WPScore

Read review View on WordPress.org
6 Byteplant Email Validator
Free by byteplant

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 …

3.8★
from 9 ratings
100+
active installs
Updated
Aug 2026
Tested to
WP 7.1.0
75

WPScore

Read review View on WordPress.org
7 Clearout Email Validator
Free by clearoutio

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.

4.2★
from 13 ratings
600+
active installs
Updated
Feb 2026
Tested to
WP 6.9.7
72

WPScore

Read review View on WordPress.org
8 Antideo Email Validator
Free by Antideo

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.

3.5★
from 14 ratings
800+
active installs
Updated
Mar 2026
70

WPScore

Read review View on WordPress.org
9 Dilli Email Validator
Free by dillilabs

Dilli Email Validator

Validates email addresses in real-time and blocks form submissions with invalid or fake emails. Reduce spam, fix typos, and capture quality leads.

4.7★
from 15 ratings
90+
active installs
Updated
Dec 2025
Tested to
WP 6.9.7
70

WPScore

Read review View on WordPress.org
10 Contact Form 7 Email Validation
Free by Clarion Technologies

Contact Form 7 Email Validation

Contact Form 7 Email Validation plugin adds an extended validation to verify domain in email address for email fields of Contact Form 7 plugin.

3.3★
from 10 ratings
1k+
active installs
Updated
Dec 2020
Tested to
WP 5.6.19
47

WPScore

Read review View on WordPress.org
11 Mailgun Email Validator
Free by Jesin A

Mailgun Email Validator

Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.

4.1★
from 25 ratings
50+
active installs
Updated
Nov 2017
Tested to
WP 4.9.31
44

WPScore

Read review View on WordPress.org