WPForms
98The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, paymen...
Free
5M+ installs 4.8★ (14,369)
Email Validator for Contact Form 7
Email validation for Contact Form 7. Reduce registration spam with invalid email, block disposable and block free email.
The facts
- Rating
- 4★ from 4
- Active installs
- 500+
- Price
- Free
- Last updated
- 22 Jun 2026
- Added
- Oct 2018
- Tested up to
- WP 6.9.7
- Requires PHP
- 5.2.4
- Downloads
- 17,062
Our analysis
AI-assistedEmail Validator for Contact Form 7 is a WordPress plugin that helps users validate email addresses before form submission. It utilises the MailboxValidator service to check for disposable, free, and invalid email addresses, preventing unwanted sign-ups. This plugin is suitable for anyone using Contact Form 7 who wants to enhance their form's email validation capabilities.
To use this plugin, you need to have Contact Form 7 installed and activated, as well as a MailboxValidator API key, which provides 300 free email validation credits each month. The plugin offers various validation features, including domain blacklisting and whitelisting, to ensure more accurate email submissions.
Best for: This plugin is best for WordPress users who rely on Contact Form 7 and need to validate email addresses.
What it does well
- ✓Validates email addresses before form submission
- ✓Uses MailboxValidator for accurate results
- ✓Supports disposable and free email validation
- ✓Allows domain blacklisting and whitelisting
- ✓Blocks users from sending messages if validation fails
Where it falls short
- •Requires a MailboxValidator API key to function
- •Dependent on Contact Form 7 being installed
Verdict
Email Validator for Contact Form 7 provides essential email validation features for forms. It is a useful tool for those looking to improve the quality of email submissions.
From the developer
MailboxValidator's own description of Email Validator for Contact Form 7, lightly tidied.
This email verification plugin enables Contact Form 7 users to validate email address before sending the form. It uses MailboxValidator email validation service to check if an email address is disposable email address or free email address in order to block invalid email from signing up. You can sign up for a free API key at mailboxvalidator.com with 300 FREE email validation credits every month!
Note: Contact Form 7 must be installed and activated before using this MailboxValidator email validation plugin.
Key Features
- Accurate email verification result.
- Support invalid email validation.
- Support disposable email validation.
- Support free email validation.
- Support role-based email validation.
- Support domain blacklisting.
- Support trusted domain whitelisting.
- Enable you to block the users from message sending if failed in validation.
This plugin need a MailboxValidator API key to work. You can get it from here.
Tagged as
platform
Contact Form 7
Alternatives
Other plugins for building forms.
The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam sol...
Free
5M+ installs 4.7★ (1,186)
Fluent Forms
94Get a fast contact form plugin. Create advanced forms using drag and drop form builder with all smart features...
Free
700k+ installs 4.8★ (790)
Best WordPress form builder plugin. Create contact forms, payment forms & order forms with 1000+ integrati...
Free
600k+ installs 4.8★ (2,117)
Save and manage Contact Form 7 messages. Never lose important data. It is a lightweight contact form 7 databas...
Free
600k+ installs 5★ (1,874)
MetForm
93Elementor forms builder to create WordPress forms like contact form, booking form, feedback form, survey form,...
Free
600k+ installs 4.7★ (504)