by Kalpraj Solutions 3 (2 reviews)

Email Checker for Contact Form 7

Name: Email Checker for Contact Form 7
Rating: 3.0 (2 reviews)
Author: Kalpraj Solutions

Verifies email addresses in Contact Form 7 submissions using the Emails Checker API to prevent spam and invalid contacts.

Email Checker for Contact Form 7 ranks #16,680 among WordPress.org plugins with 100+ active installations, is #617 of 2,596 in the Contact Forms category, a 3/5 rating from 2 reviews, and was last updated Aug 8, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7.0.5 (Current: 7.1.1)

v3.1 Current Version v3.1

Updated 1 month ago Last Update on 08 Aug, 2026

Refreshed 8 hours ago Last Refreshed on

#617 of 2,596 in Contact Forms Top 25% by installs

View on WordPress.org

Rank

#16,680

— No change

Active Installs

100+

-10.7%

KW Avg Position

10.3

— No change

Downloads

+1 today

Support Resolved

— No change

Rating

60%

Review 3 out of 5

3 (2 reviews)

Next Milestone 200

Total Progress 14%

100+ 200+

3,709

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #16,680

Change

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

3.0

2 reviews

Overall 60%

1 (50%)

0 (0%)

1 (50%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Email Checker for Contact Form 7. Checked 1 month ago.

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Plugin Details

Version: 3.1
Last Updated: Aug 08, 2026
Requires WP: 5.0+
Tested Up To: 7.0.5
PHP Version: 7.2 or higher
Author: Kalpraj Solutions

Support & Rating

Rating: ★ ★ ★ ☆ ☆ 3
Reviews: 2
Support Threads: 0
Resolved: 0%

Keywords

contact form 7 email checker email checker for contact form 7 email validator emails checker

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners using Contact Form 7 who want to filter out spam and invalid email submissions. It verifies each submitted email address in real time via the Emails Checker API before the message is accepted.

DNS validation with MX lookup
Disposable email address detection
Misspelled domain detection
Email syntax verification
Mailbox existence checking
Catch-All testing
Greylisting detection
SMTP connection checking

Frequently Asked Questions

Common questions about Email Checker for Contact Form 7

Our Free Plan gives you 100 SMTP credits per month for SMTP status checks. Basic syntax checking is done locally for free. If you have more than 100 contact form submissions per month, check out our affordable pricing at emails-checker.net/pricing.

No. The plugin works automatically with all Contact Form 7 forms. Just enter your API key and you're done.

If you run out of credits, the plugin will stop performing SMTP checks. Your contact form functionality will continue to work — emails will pass through basic syntax validation only.

Yes. The API key is stored securely in the WordPress options table and is masked in the settings page. Only users with 'manage_options' capability can view or modify it.