Email Blocklist is a free WordPress plugin that helps site owners prevent spam registrations and comments by blocking users with disposable or unwanted email domains. Below are 24 security & compliance platforms apps with similar functionality to Email Blocklist, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
Block Temporary Email is a WordPress plugin that automatically detects and blocks disposable or fake email addresses during user registration, login, or email change. It integrates with popular plugins and provides local blacklist and whitelist management. Designed for WordPress site owners to reduce spam and fraud.
Disposable Email Blocker – WPForms is a free WordPress plugin that integrates with WPForms to block submissions from disposable or temporary email addresses. It helps site owners maintain clean subscriber lists and prevent spam signups by filtering out unwanted emails at the form level.
Wonderful Disposable Email Blocker is a WordPress plugin designed to prevent the use of disposable or temporary email addresses on WordPress sites. The tool addresses issues caused by spam bots and users who exploit throwaway inboxes to register accounts, place fake orders, or post comments with email addresses that become inactive shortly after use. By referencing a list of thousands of known disposable email domains, the plugin checks submitted email addresses and enables site administrators to block their use in several areas. The plugin allows independent blocking in four specific contexts: WordPress registration forms (such as wp-login.php), WooCommerce account registration forms, the billing email field during WooCommerce checkout, and the comment submission process. This flexibility is highlighted by its ability to cover WooCommerce-specific registration hooks, which may be missed by plugins that only monitor standard WordPress registration forms. Additionally, the plugin supports custom block and allow lists, giving site owners control over which email domains are permitted or denied beyond the default list. Wonderful Disposable Email Blocker is intended for WordPress site administrators seeking to reduce spam, fraudulent signups, and fake orders by restricting the use of disposable email addresses at key points of user interaction. The evidence does not provide details on pricing or licensing.
Disposable Email Blocker is a free WordPress plugin that integrates with Contact Form 7 to block disposable and temporary email addresses from form submissions. It helps site owners reduce spam and improve the quality of leads or subscribers by ensuring only valid emails are accepted. The plugin is easy to set up and customize.
Disposable Email Blocker for GravityForms is a WordPress plugin that blocks users from submitting forms with disposable or temporary email addresses. It helps site owners maintain a clean subscriber list and reduce spam signups. The plugin is easy to configure and integrates directly with GravityForms.
Registration Email Blocker is a WordPress plugin that restricts which email domains can be used for user registration. It supports blacklist and whitelist modes and helps Russian site owners comply with Federal Law 406-FZ. The plugin is customizable and integrates with WordPress registration forms.
Local Email Blocker is a WordPress plugin designed for developers to prevent outgoing emails from being sent in local or staging environments. It logs intercepted emails for review and offers manual blocking and SMTP override, ensuring test emails never reach real users.
Disposable Email Detector is a WordPress plugin that blocks user registrations using disposable or temporary email addresses. It works with both native WordPress and WooCommerce registrations, helping site owners reduce spam and improve user quality.
Disposable Email Blocker – Ninja Forms is a WordPress plugin that blocks disposable or temporary email addresses from being used in Ninja Forms submissions. It helps site owners reduce spam and improve the quality of their subscriber lists.
Capably Digital Email Validation and Blocklist is a WordPress plugin designed to help site administrators manage email validation and blocking within WordPress email functions. The tool addresses issues such as reducing bounce rates and preventing unwanted signups by allowing users to set up custom blocklists for email addresses and domains, as well as perform MX record checks to ensure emails are sent only to valid addresses. Key features include the ability to add specific email addresses and domains to a blocklist, check MX records before sending emails, and operate in a monitor-only mode that logs email activity without blocking, allowing assessment of the plugin's impact. The plugin offers strictness controls for handling unparsable email records and supports external list synchronization, enabling automated updates from a remote URL. php file. Expandability is supported through exposed hooks for custom functionality. A Pro version is available, which adds features such as setting default actions for unlisted emails, parent domain checks, plus address collapsing, minimum length settings, synchronization of multiple list sources (including whitelists), fallback A record checks, email scrubbing to remove invalid recipients, granular logging with anonymization options, automatic log deletion, and a front-end shortcode for notifying users if their email is blocked. The plugin is compatible with other plugins that use core WordPress functions, including storefront, social media, and mailing list plugins. Pricing for the Pro version is offered on a subscription basis, with plans available for one site or multiple sites. The free version remains fully functional, with upgrades handled through the WordPress dashboard. Capably Digital LTD, a company based in the UK, develops and maintains the plugin.
CM E-Mail Blacklist is a WordPress plugin that helps site administrators block unwanted email registrations and prevent spam sign-ups. It offers customizable blacklists and whitelists, domain and IP filtering, and enhances site security for WordPress users.
Spam Defender – Email Blocker is a WordPress plugin that helps site owners block specific email addresses or domains from registering, commenting, or placing orders. It features an admin settings page for managing blocked emails and supports WooCommerce, making it ideal for preventing spam and fake activity.
Block List Updater is a WordPress plugin that helps site administrators automatically update their comment block lists with curated antispam keys from a global GitHub repository. It reduces manual maintenance and improves spam prevention for WordPress sites.
UserCheck is a WordPress plugin that blocks disposable and throwaway email addresses from being used in sign-up forms. It integrates with popular plugins and provides fallback checks to ensure only valid emails are accepted, helping site owners maintain a clean user base.
Blacklisted IP Adresses is a WordPress plugin that allows administrators to block specific IP addresses or ranges from accessing their site. It supports external file integration for managing blocklists and enhances website security for WordPress users.
SpamLock is a WordPress plugin for Elementor Pro that helps site owners block unwanted form submissions by blacklisting specific emails, domains, or IP addresses. It features a simple admin interface, custom error messages, and CSV export for managing blacklists.
Clearout Email Validator is a WordPress plugin that integrates with major forms to provide real-time email verification. It blocks invalid, disposable, or spam emails, helping site owners maintain clean email lists and prevent fraudulent signups. The plugin offers API integration and advanced validation checks.
Spam Word Blocker is a WordPress plugin that blocks the publishing of posts, pages, or custom post types containing admin-defined unwanted words. It provides instant alerts, supports all post types, and ensures server-side enforcement for effective content moderation.
Temp Mail Detector is a WordPress plugin that detects and blocks temporary or disposable email addresses from registering, commenting, or ordering on your site. It supports WooCommerce and offers customizable blocklists and spam protection.
Simple Spam Blocker is a WordPress plugin that uses honeypot techniques to block spam comments, prevent spam registrations, and stop bots from attempting to log in. It integrates with Ultimate Member and can be added to forms via shortcode, providing easy and effective spam protection for WordPress site owners.
Block for Mailchimp is a WordPress plugin that enables users to add and customize email subscription forms directly within their site. It integrates with Mailchimp for seamless subscriber management and offers responsive, visually adaptable forms for effective audience growth. Suitable for marketers and site owners.
Exact Match Disallowed Comment & Contact Forms is a WordPress plugin that changes the default blocklist behavior to exact match, reducing false spam blocks in comments and contact forms. It adds a review queue and customizable rules for better moderation control.
FixBounce is an email verification and contact discovery platform designed to help users build clean, verified email lists and reduce bounce rates. The service addresses the challenge of outdated or inaccurate contact data by live-crawling websites to find email addresses and instantly verifying each one before it is returned to the user. This approach ensures that contacts are current and have undergone real-time, six-layer verification, including syntax validation, MX record lookup, disposable email detection across over 9,000 providers, direct SMTP mailbox checks, full-inbox detection, and catch-all testing. The platform offers two main tools: an Email Finder and an Email Verifier. The Email Finder searches over 30 live sources—including website pages, blog authors, DNS records, legal pages, and search engines—to discover contacts from any domain, automatically verifying each result. The Email Verifier allows users to paste or upload email addresses in bulk, running instant multi-step verification and providing a verdict of Deliverable, Risky, or Undeliverable for each address. Results can be exported as CSV files or written directly to Google Sheets, and the platform supports bulk lookups and verification. FixBounce also provides a REST API for integration with other tools and offers a 30-day smart cache for free rechecks of previously verified emails. The service is aimed at individuals and teams involved in cold email outreach, such as agencies, SDRs, sales teams, and link builders or SEOs. io, Make, and n8n. Users can clean their lists before uploading them to sending platforms or verify addresses on the fly via API or Google Sheets. FixBounce is delivered as a web-based platform with a transparent pricing model. A free tier allows for 25 verifications and 5 finder lookups per day, single email checks, and API access, but does not support bulk uploads. Paid plans start at $29 per month for increased quotas, bulk CSV upload, and priority support. One-time credits for additional lookups or verifications are also available and do not expire. Every plan includes both the Finder and Verifier tools, with daily quotas resetting at midnight UTC.
WP Spammer is a free WordPress plugin designed to block spam comments on websites without the need for captchas. It offers a simple activation process and helps site owners maintain clean comment sections effortlessly.
