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  4. Spam Defender – Email Blocker

Spam Defender – Email Blocker

Block specific email addresses from using your WordPress site. Stop fake orders, spam registrations, and unwanted comments.

10+ active installsFree on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping Spam Defender – Email Blocker running.

WordPress compatibility
Tested to 7.0.2
Tested against the WordPress branch in use today.
Last updated
2 months ago
At least 4.7 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.
Requires PHP
7.4
Your host must be running at least this version.
Requires WordPress
6.0
Contributors
1
A single maintainer. Worth knowing if the plugin is load-bearing for your store.

10+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how Spam Defender – Email Blocker is looked after — not on how many stores run it.

Well maintained
Not enough public feedback to put a confident number on this one. Little public feedback — score rests mostly on release activity. What we can see is below.

Maintenance
35 / 35
Updated 65 days ago.
WordPress compatibility
20 / 20
Tested to WP 7.0.2 (current).
Support responsiveness
Not enough data
Only 0 support thread(s) — not enough to judge.
Merchant satisfaction
Not enough data
No ratings yet.
Listing transparency
10 / 10
Provides: screenshots, description, homepage
2 of 5 measures had too little evidence to score. They are left out of the total rather than counted as zero — otherwise a plugin would be marked down for being small rather than for being poorly kept.Measured 2026-08-01 from the WordPress.org plugin registry.
Ratings

No one has rated this plugin on WordPress.org yet. That is a statement about the ratings page, not about the plugin — plenty of well-kept plugins never collect them.

= Spam Defender – Email Blocker helps you reduce spam and fake activity by blocking specific email addresses or domains.
Once blocked, users with those emails will not be able to: =

  • Register new accounts
  • Login
  • Post comments
  • Checkout or create accounts in WooCommerce

This plugin is lightweight, easy to use, and comes with an admin settings page where you can manage blocked emails/domains.

Features:
* Block emails globally across WordPress.
* Block on login, registration, comments, and WooCommerce checkout.
* Manage blocked emails from settings page.
* Search blocked email lists.
* Prevents fake orders and spam signups.

Update Notice

= 1.0.4 =
Version 1.0.4 has been released as a stable version, featuring a redesigned premium dashboard, bulk block operations, and compatibility updates.

Will this block existing users with blocked emails?

No, it prevents future registrations, logins, comments, and checkouts using blocked emails.

Does it work with WooCommerce?

Yes, WooCommerce checkout and account creation are fully supported.

Is my data secure?

Yes, all emails data are secured.

Categories
Email & SMSAccounts & CRM
Plugin details
Version1.0.4
Last updated2026-05-28 7:02am GMT
Added2025-09-24
Requires WordPress6.0
Tested up to7.0.2
Requires PHP7.4

Tags on WordPress.org
block
comments
email
registration
woocommerce
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