Email Checker for Contact Form 7
by Kalpraj Solutions 3 (2 reviews)

Email Checker for Contact Form 7

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 #17,198 among WordPress.org plugins with 90+ active installations, is #785 of 2,802 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 7.0.8 (Current: 7.1.4)
v3.1 Current Version v3.1
Updated 2 months ago Last Update on 08 Aug, 2026
Refreshed 1 week ago Last Refreshed on
#785 of 2,802 in Contact Forms Top 25% by installs
View on WordPress.org
Rank
#17,198
— No change
Active Installs
90+
-19.6%
KW Avg Position
11.8
— No change
Downloads
7.2K
+5 today
Support Resolved
0%
— No change
Rating
60%
Review 3 out of 5
3 (2 reviews)

Next Milestone 100

Total Progress 10%
90+ 100+
4,718
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro

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Rank Changes

16,338 16,768 17,198 17,628 18,058 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
17,113 17,173 17,233 17,293 17,353 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Current #17,198
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 20 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
0 10 20 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Downloads
Growth
Peak

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Reviews & Ratings

3.0
2 reviews
Overall 60%
5
1 (50%)
4
0 (0%)
3
0 (0%)
2
0 (0%)
1
1 (50%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Email Checker for Contact Form 7. Checked 3 months ago.

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.

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