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Block Temporary Email
This plugin stops users from giving you disposable or fake email addresses when signing up. This helps reduce spam and fraud.
The facts
- Rating
- 4.5★ from 8
- Active installs
- 500+
- Price
- Free
- Last updated
- 12 Aug 2025
- Added
- Jan 2017
- Requires WP
- 2.9
- Tested up to
- WP 6.8.8
- Downloads
- 9,162
Our analysis
AI-assistedBlock Temporary Email is a WordPress plugin designed to verify email addresses submitted by users. It automatically detects and blocks disposable or temporary email addresses, providing warnings during sign-ups, logins, or email changes. The plugin uses a service called IsTempMail to check domain names and maintains a local blacklist for blocked domains, along with options for a custom whitelist.
This plugin is suitable for website owners who want to reduce spam and ensure that users register with valid email addresses. It integrates with various form builders and eCommerce plugins, making it versatile for different site types.
Best for: Website owners looking to prevent spam registrations and ensure valid email submissions.
What it does well
- ✓Automatically detects and blocks disposable email addresses
- ✓Provides warning messages for users
- ✓Maintains a local blacklist and allows for custom whitelists
- ✓Integrates with popular plugins like WooCommerce and Contact Form 7
- ✓Free to use from the WordPress.org directory
Where it falls short
- •Limited information on specific features or configurations
- •No details on support or updates beyond the last update date
Verdict
Block Temporary Email is a practical solution for managing email validity on your WordPress site. It offers essential features for reducing spam but lacks detailed information on support and advanced configurations.
From the developer
IsTempMail's own description of Block Temporary Email, lightly tidied.
This plugin will verify every email address submitted by users.
It’ll automatically detect and block disposable, temporary email addresses.
It’ll give a nice warning message when users are signing up, logging in,
or changing email to a temporary email.
The plugin checks the domain name using a service named
IsTempMail.
If a domain name is blocked, it will be stored into a local blacklist.
You can also manage your own local whitelist and blacklist to allow or
disallow certain domains.
The plugin integrates with the WordPress built-in function is_email().
It works seamlessly with other plugins including WooCommerce,
Contact Form 7, Gravity Form, Jetpack/Grunion contact forms, Kadence Blocks Forms as well as
other formbuilders and ecommerce plugins and WordPress’ own registration form.
Tagged as
purpose
Contact & Custom Forms
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