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Similar WordPress plugins

Kaigai Spam Mail Blocker alternatives

The 12 WordPress plugins most like Kaigai Spam Mail Blocker, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.

Kaigai Spam Mail Blocker

Fewer than 10 installs · #70,612 most popular

Its stats
Closest match
Akismet Anti-spam
Shares 2 of Kaigai Spam Mail Blocker's 5 tags.
Most installed
Contact Form 7
10M+ active installs.
Best rated
ReCaptcha v2 for Contact Form 7
5.0 out of 5 from 89 reviews.
Most recently updated
Contact Form 7
Updated on Nov 10, 2026.
  1. Akismet Anti-spam

    by Automattic

    The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.

    Installs
    5M+
    Rank
    #8
    Rating
    4.7(1.2K)
    Updated
    2 months ago

    Sharescontact formspam

    Compare with Kaigai Spam Mail Blocker
  2. Contact Form 7

    by Rock Lobster Inc.

    Just another contact form plugin. Simple but flexible.

    Installs
    10M+
    Rank
    #3
    Rating
    4.0(2.2K)
    Updated
    today

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  3. WPForms

    by Syed Balkhi

    The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, payment forms, & other custom forms.

    Installs
    5M+
    Rank
    #9
    Rating
    4.8(14.4K)
    Updated
    5 days ago

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  4. Fluent Forms

    by WPManageNinja

    Get a fast contact form plugin. Create advanced forms using drag and drop form builder with all smart features.

    Installs
    800K+
    Rank
    #80
    Rating
    4.8(809)
    Updated
    8 days ago

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  5. Forminator Forms

    by WPMU DEV - Your All-in-One WordPress Platform

    Best WordPress form builder plugin. Create contact forms, payment forms & order forms with 1000+ integrations.

    Installs
    600K+
    Rank
    #99
    Rating
    4.8(2.2K)
    Updated
    8 days ago

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  6. SureForms

    by Brainstorm Force

    AI form generator and WordPress form builder for contact and Stripe payment forms, with surveys and quizzes in SureForms Business.

    Installs
    500K+
    Rank
    #119
    Rating
    4.8(104)
    Updated
    6 days ago

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  7. Ninja Forms

    by Kevin Stover

    Free WordPress form builder with calculations, signatures, star ratings, unlimited submissions stored on your site, and an AI form builder.

    Installs
    500K+
    Rank
    #114
    Rating
    4.4(1.4K)
    Updated
    1 day ago

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  8. Formidable Forms

    by Strategy11 Team

    The drag and drop WordPress form builder for contact forms, payment forms, calculators, quizzes, surveys, and AI-built web applications.

    Installs
    300K+
    Rank
    #176
    Rating
    4.8(1.4K)
    Updated
    25 days ago

    Sharescontact form

    Compare with Kaigai Spam Mail Blocker
  9. WP Mail Logging

    by Syed Balkhi

    Log, view, and resend all emails sent from your WordPress site. Great for resolving email sending issues or keeping a copy for auditing.

    Installs
    300K+
    Rank
    #164
    Rating
    4.7(375)
    Updated
    27 days ago

    Sharesspam

    Compare with Kaigai Spam Mail Blocker
  10. MW WP Form

    by Webの相談所

    MW WP Form is shortcode base contact form plugin. This plugin have many features. For example you can use many validation rules, inquiry data saving, …

    Installs
    200K+
    Rank
    #271
    Rating
    4.2(23)
    Updated
    1 month ago

    Sharesmail

    Compare with Kaigai Spam Mail Blocker
  11. Anti-Spam, Spam FireWall by CleanTalk

    by CleanTalk Inc

    Advanced antispam for comments, registrations & contact forms. No CAPTCHA, plus email validation and honeypot. We catch spam others miss!

    Installs
    200K+
    Rank
    #239
    Rating
    4.8(3.2K)
    Updated
    12 days ago

    Sharesspam

    Compare with Kaigai Spam Mail Blocker
  12. ReCaptcha v2 for Contact Form 7

    by IQComputing

    Adds reCaptcha v2 from Contact Form 7 5.0.5 that was dropped on Contact Form 7 5.1

    Installs
    200K+
    Rank
    #227
    Rating
    5.0(89)
    Updated
    5 months ago

    Sharesspam

    Compare with Kaigai Spam Mail Blocker

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