WPForms
98The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, paymen...
Free
5M+ installs 4.8★ (14,369)
I don't like Spam!
Use the Comment Blocklist feature to protect your contact form.
The facts
- Rating
- 5★ from 2
- Active installs
- 200+
- Price
- Free
- Last updated
- 10 Feb 2026
- Added
- May 2020
- Requires WP
- 5.9
- Tested up to
- WP 6.9.7
- Requires PHP
- 7.2
- Downloads
- 9,756
Our analysis
AI-assistedI Don't Like Spam! is a WordPress plugin designed to protect your contact forms from unwanted submissions by using a local blocklist. You can enter specific words, phrases, or links that you want to block, preventing any form submissions that contain these items.
This plugin is compatible with various form builders, including the Gutenberg Form block, Ninja Forms, and WPForms. It is suitable for users looking to enhance their site's spam protection without relying on external APIs.
Best for: This plugin is best for website owners who want to reduce spam in their contact forms.
What it does well
- ✓Uses a local blocklist for spam protection
- ✓Compatible with multiple form builders
- ✓Allows customisation of error messages
- ✓Free to use from the WordPress.org directory
Where it falls short
- •Limited feature information provided
- •No external API support
Verdict
I Don't Like Spam! provides a straightforward solution for blocking unwanted submissions, though its features are basic and rely on user-defined criteria.
From the developer
them.es's own description of I don't like Spam!, lightly tidied.
Use the Comment Blocklist feature to protect your contact form.
Compatibility
This plugin is compatible with Gutenberg Form block (experimental!), Ninja Forms, WPForms and Contact Form Block.
Features
- Not reinventing the wheel since WordPress already has a Comment Blocklist feature.
- Privacy by Design by using a local blocklist.
- No external API.
Setup
- Login to the dashboard and open Settings > Discussion.
- Scroll down to Disallowed Comment Keys.
- Enter some bad words, phrases or weblinks that keep bugging you. Choose your blocklist wisely!
- Contact forms that contain any of these words cannot be submitted anymore and will show an error message.
- Optional: Modify the error message output in the Theme Customizer.
Fun fact
Spam emails are usually very annoying and affect work – and there is nothing funny about it. But did you know that the term Spam, referring to junk mail, was named after a famous Monty Python sketch?
https://en.wikipedia.org/wiki/Spam_(Monty_Python)
Contribution?
- The Plugin development can be followed via GitHub <3
- Let us know if we should add another Contact form plugin
- We are happy to receive feature suggestions and pull requests: https://github.com/them-es/i-dont-like-spam
More information
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