# MailboxValidator Email Validator

> MailboxValidator Email Validator has 10+ active installs, a 1/5 rating from 1 reviews and 205 downloads in the last 30 days. Health score 45/100, keyword rankings, version adoption and the best alternatives.

**Verdict: Use with caution.** MailboxValidator Email Validator works, but test it on a staging site before relying on it in 2026. It runs on 10+ sites, is rated 1/5 and was last updated 1 month ago, and scores 45/100 on our health check.

**Email verification for WordPress forms. Block disposable, block spam, block invalid email, block free email and role-based email.**

## Key facts

- **Overall rank:** —
- **Active installs:** 10+
- **Total downloads:** 11,412
- **Downloads (30 days):** 205 (-31.2% vs previous 30 days)
- **Rating:** 1/5 from 1 reviews
- **Health score:** 45/100 (Fair)
- **Version:** 1.7.4
- **Last updated:** Sep 1, 2026
- **Tested up to:** WordPress 6.9.10
- **Requires:** 
- **Support resolved:** 0 of 0 threads (last 2 months)
- **Developer:** MailboxValidator (https://pageforge.pro/directory/authors/mailboxvalidator/)
- **WordPress.org:** https://wordpress.org/plugins/mailboxvalidator-email-validator/

## Category rankings

| Category | Rank | Plugins |
|---|---|---|
| [email checker](https://pageforge.pro/directory/plugins/tag/email-checker/) | #9 | 14 |
| [email filter](https://pageforge.pro/directory/plugins/tag/email-filter/) | #2 | 3 |
| [email validation](https://pageforge.pro/directory/plugins/tag/email-validation/) | #16 | 48 |
| [email verify](https://pageforge.pro/directory/plugins/tag/email-verify/) | #1 | 4 |
| [form validation](https://pageforge.pro/directory/plugins/tag/form-validation/) | #9 | 15 |

## WordPress.org search positions

| Keyword | Position | Results |
|---|---|---|
| email checker | #84 | 588 |
| email filter | >100 | 6,889 |
| email validation | >100 | 4,388 |
| email verify | >100 | 2,996 |
| form validation | >100 | 4,496 |

## Version adoption

- 1.7: 100%

## Alternatives

| # | Name | Active installs | Rating | Updated | Health |
|---|---|---|---|---|---|
| 1 | [ZeroBounce Email Verification & Validation](https://pageforge.pro/directory/plugins/zerobounce/) | 900+ | 4.8/5 (4) | Aug 26, 2026 | 60/100 |
| 2 | [Antideo Email Validator](https://pageforge.pro/directory/plugins/antideo-email-validator/) | 800+ | 3.5/5 (14) | Mar 12, 2026 | 50/100 |
| 3 | [Clearout Email Validator – Real-Time Email Verification on WordPress Forms](https://pageforge.pro/directory/plugins/clearout-email-validator/) | 500+ | 4.2/5 (13) | Sep 8, 2026 | 79/100 |
| 4 | [DeBounce Email Validator](https://pageforge.pro/directory/plugins/debounce-io-email-validator/) | 300+ | 3.9/5 (16) | Aug 13, 2026 | 73/100 |
| 5 | [QuickEmailVerification](https://pageforge.pro/directory/plugins/quickemailverification/) | 200+ | 5/5 (5) | Oct 1, 2026 | 81/100 |
| 6 | [Dilli Email Validator](https://pageforge.pro/directory/plugins/dilli-email-validator/) | 100+ | 4.7/5 (15) | Dec 23, 2025 | 51/100 |
| 7 | [Email Checker for Contact Form 7](https://pageforge.pro/directory/plugins/email-checker-for-contact-form-7/) | 100+ | 3/5 (2) | Aug 8, 2026 | 60/100 |
| 8 | [Emailable – Premium Email Verification & Validation](https://pageforge.pro/directory/plugins/emailable/) | 30+ | 3.5/5 (2) | Aug 7, 2024 | 27/100 |
| 10 | [Email Checker](https://pageforge.pro/directory/plugins/real-time-email-checker/) | 10+ | — | Feb 10, 2017 | 23/100 |
| 11 | [WP Email Verify](https://pageforge.pro/directory/plugins/wp-email-verify/) | 10+ | 3/5 (2) | Aug 20, 2018 | 24/100 |

## Frequently asked questions

### Is MailboxValidator Email Validator free?
Yes. MailboxValidator Email Validator is free to download and use from the official WordPress.org plugin directory.

### Is MailboxValidator Email Validator safe to use in 2026?
MailboxValidator Email Validator works, but test it on a staging site before relying on it in 2026. It runs on 10+ sites, is rated 1/5 and was last updated 1 month ago, and scores 45/100 on our health check.

### How many websites use MailboxValidator Email Validator?
MailboxValidator Email Validator is active on 10+ WordPress websites and has been downloaded 11,412 times since it launched in April 2019. It was downloaded 205 times in the last 30 days.

### Does MailboxValidator Email Validator work with WordPress 7.1?
MailboxValidator Email Validator is officially tested up to WordPress 6.9.10, while the latest release is 7.1.3. It may still work, but try it on a staging site first.

### When was MailboxValidator Email Validator last updated?
The latest version, 1.7.4, was released on September 1, 2026 (1 month ago).

### Who makes MailboxValidator Email Validator?
MailboxValidator Email Validator is developed and maintained by MailboxValidator.

### What are the best alternatives to MailboxValidator Email Validator?
The most popular alternatives to MailboxValidator Email Validator are ZeroBounce Email Verificati… (900+ installs), Antideo Email Validator (800+ installs) and Clearout Email Validator (500+ installs).


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/plugins/mailboxvalidator-email-validator/ · Generated 2026-10-07 12:00 UTC by PageForge