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Comment Word Blacklist Manager will retrieve a list of blacklist terms from a remote source and update the <code>blacklist_keys</code> setting in WordPress. The list will update itself on a schedule to keep your terms current. Any manually added items will be retained, and an exclusions list is also created if there are terms from the source you want to allow.

Comments Word Blacklist Manager

Remotely add known terms into the WordPress blacklist keys to manage spam

YoOhw Studio

B.Ng

Blacklist Manager is a powerful anti-fraud and spam-prevention plugin for WooCommerce and WordPress forms. WooCommerce Anti-Fraud & Checkout Verification & Spam Prevention blocks fraudulent orders, fake registrations, and spam form submissions by banning IPs, email addresses, and phone numbers at checkout or on contact forms. With real-time blacklist checks, you can stop chargebacks, unwanted sign-ups, and abusive bots before they hit your store.
Easily blacklist phone numbers, email addresses, IP addresses, and email domains to block unwanted users from placing orders, submitting forms, canceling transactions, or registering accounts. Whether you’re running an online store or collecting leads through forms, Blacklist Manager adds a critical layer of defense to your site.
Originally built for WooCommerce, it now extends its protection to popular form plugins including Contact Form 7, Gravity Forms, and WPForms.
<a href="https://yoohw.com/global-blacklist-plan/" rel="nofollow ugc">Global Blacklist</a> | <a href="https://yoohw.com/product/woocommerce-blacklist-manager-premium/" rel="nofollow ugc">Premium version</a> | <a href="https://yoohw.com/product/blacklist-manager-premium-for-forms/" rel="nofollow ugc">Premium for Forms</a> | <a href="https://yoohw.com/docs/category/woocommerce-blacklist-manager/" rel="nofollow ugc">Documentation</a> | <a href="https://yoohw.com/support/" rel="nofollow ugc">Support</a> | <a href="https://sandbox.yoohw.com/demo/yobm_demo.html" rel="nofollow ugc">Demo</a>
<h3>Features</h3>
<ul>
<li>Real-Time Blacklist Blocking: Instantly block customers by IP, email, or phone number during checkout or form submission.</li>
<li>Easy Blacklist Management: Easily add the phone number, email address, ip address from the order page; multi ip addresses/domains addition into blocking list.</li>
<li>Multi Notifications: Email, alert and error notices for both admin and users are customizable.</li>
<li>WooCommerce Order Protection: Prevent fake orders, duplicate orders, and fraudulent transactions.</li>
<li>Comment / Review Blocking: Automatically block comments and reviews from blacklisted emails.</li>
<li>Prevent Registration: Option to prevent registration if the email/ip/domain is on the Blocklist.</li>
<li>Form Spam Shield: Integrates with Contact Form 7, Gravity Forms, WPForms—blocks blacklist matches on all major WordPress forms.</li>
<li>Timed Cancellation: Option to cancel the order if the email/phone is on the Blocklist in the delay of time.</li>
<li>Email Verification: Customers are required to verify their email by entering a code sent to them during checkout to complete their order.</li>
<li>Phone Verification: Customers must verify their phone number by entering an SMS code received during checkout before proceeding with their order.</li>
<li>User Blocking: When the order has been placed by a user and has been added to the Blocklist, then the user is also set as blocked.</li>
</ul>
<h3>Premium Features</h3>
Building on the robust features of the free version, the premium version offers advanced functionalities to safeguard your business against fraud and unauthorized transactions.
Advanced Blocking
<ul>
<li>Customer Name Blocking: Adds the first and last name of the customer to the blocklist.</li>
<li>Address Blacklisting: Block orders from specific billing and shipping addresses listed in your blocklist.</li>
<li>Block Comment / Review: Completely block comments and reviews from blacklisted emails, IPs, or domains.</li>
<li>Prevent Submission: Block form submissions from Contact Form 7, Gravity Forms, and WPForms if the IP address is on the Blocklist.</li>
<li>Prevent VPN & Proxy Submission: Automatically block form submissions and registrations if the visitor is using a Proxy server or VPN connection.</li>
<li>IP Access Prevention: Stop users from accessing your website from IP countries that you have selected.</li>
<li>Browser Blocking: Restrict accessing your website for users of browsers.</li>
<li>Prevent Disposable Emails: Block orders and registration if the customer uses a disposable email address.</li>
<li>Prevent Disposable Phones: Block orders and automate adding to the blocklist if the customer is using a disposable phone number.</li>
<li>Optional Payment Methods: Disable the payment methods for the customers are in the Suspects list.</li>
</ul>
Global Blacklist Detection
The Global Blacklist service helps protect your store by checking customer email, IP, phone, and address against a shared fraud-prevention database. It identifies suspicious or high-risk identities used in fraudulent activity across multiple merchants, giving you real-time warnings before the order is processed. This reduces payment fraud, prevents stolen-card testing, and lowers the risk of chargebacks, helping your business stay safe without slowing down checkout.
<a href="https://yoohw.com/global-blacklist-plan/" rel="nofollow ugc">Know more about the Global Blacklist</a>
Fully Automation
Fully Automated-Protecting against fraud and unauthorized transactions, hands-free to focus on growing your E-commerce website!
<ul>
<li>Set risk score thresholds: Manually adjust each rule’s risk value!</li>
<li>Choose the right score: Select a score for every option to let your own rules work.</li>
<li>Check phone and email: Check the phone number and email address that were used in multiple orders but with a different IP or customer address.</li>
<li>Check order value & attempts: Make sure the order value isn’t abnormal and the customer has placed too many orders within the time period.</li>
<li>Suspects the IP address: Detect the customer that uses a VPN or proxy server and the IP’s country mismatches with the billing country.</li>
<li>Detect IP coordinates: Action if the IP coordinates radius does not match the address coordinates radius.</li>
<li>Card country & AVS checks: High-level checking of the payment card country and billing country is not the same, also AVS.</li>
<li>Set High risk card country: Manually establishing the list of nations in order to safeguard payments made via your website.</li>
<li>Suspicious PayPal payer: Detect PayPal accounts that have been linked to multiple customer profiles, use mismatched billing information.</li>
<li>Blacklist based on order statuses: Set the statues to automatically add the customer to the suspect and blocked list.</li>
</ul>
<a href="https://yoohw.com/docs/woocommerce-blacklist-manager/settings/automation/" rel="nofollow ugc">Explore the Automation features</a>
Powerful Recording Activity Logs
Gain full visibility into every interaction and decision with Powerful Recording Activity Logs. This feature continuously tracks and documents all blacklist detections and user activities, giving you the transparency and control you need to stay ahead of fraud and suspicious behavior.
With comprehensive logging, the plugin records:
<ul>
<li>Detection Attempts: Every time a user triggers a blacklist rule—whether by email, phone, IP, or address—it’s logged with a timestamp for easy traceability.</li>
<li>Admin Actions: Logs when entries are added, edited, removed, or manually overridden by store staff, ensuring accountability across your team.</li>
<li>Checkout Blocks: Captures blocked checkout attempts along with detailed user input and cart contents, so you always know what was stopped—and why.</li>
</ul>
By storing detailed activity logs in a structured and searchable format, this feature empowers you to review patterns, strengthen your security rules, and make informed decisions backed by data—all without lifting a finger.
<a href="https://yoohw.com/docs/woocommerce-blacklist-manager/activity-logs/activity-logs/" rel="nofollow ugc">Learn more about this feature</a>
Real-time Automatic Validation
Our plugin ensures a seamless and error-free checkout experience with Real-time Automatic Validation. This feature automatically validates customer-provided details, including names, email addresses, and phone numbers, as they are entered. By detecting and alerting users of issues such as incomplete or invalid data, it helps to reduce errors and ensure compliance with your data integrity rules.
With intelligent validation logic, the plugin checks for:
<ul>
<li>Name Validation: Detects invalid characters, excessive spaces, repeated characters, and ensures adherence to your custom length rules.</li>
<li>Email Validation: Confirms that email addresses are correctly formatted and free from common typos or invalid domains.</li>
<li>Phone Validation: Verifies phone numbers against predefined formats and country codes, with optional integration for SMS-based verification with the popular services Twilio and Textmagic.</li>
</ul>
This real-time validation not only improves the user experience by providing instant feedback but also ensures that your customer database remains accurate and clean.
Prevent Orders and Access from Bots
Protect every corner of your website and WooCommerce store with our comprehensive bot-blocking solution, now with expanded coverage for user authentication flows. Key features include:
<ul>
<li>Advanced bot detection: AI-driven behavioral analysis stops spam bots in checkout, login, registration, and comment forms alike.</li>
<li>Seamless user experience: Invisible security layers—Google Cloudflare Turnstile, reCAPTCHA v3/v2, and hCaptcha—ensure legitimate customers sail through checkout, login, and signup without friction.</li>
<li>Expanded form protection: Require CAPTCHA challenges on login and registration pages to block automated account creation and credential stuffing attacks.</li>
<li>API protection: Safeguards your checkout, login, and registration endpoints from bots abusing your REST API.</li>
<li>Efficient and lightweight: Delivers enterprise-grade security across all forms without slowing down your store.</li>
</ul>
Payment Detection & Protection
Our plugin integrates seamlessly with leading payment gateways—Stripe, PayPal, and Mollie—to provide advanced fraud detection and prevention.
With built-in checks, it automatically detects mismatches such as card country vs. billing country, flags transactions from high-risk countries, and validates payments using AVS (Address Verification Service) when available. For Stripe, it leverages the Stripe Fraud Analysis results directly within the order screen to help you quickly identify risky transactions. For PayPal, it introduces a payer email verification requirement to ensure that the PayPal account holder’s identity matches the order details, reducing the chance of fraudulent use.
These protections add an extra layer of security to your store, helping you block suspicious orders before they result in costly chargebacks.
Blacklist Connection for Multiple Sites
Blacklist Connection allows you to sync and consolidate blacklists from multiple WooCommerce stores or Sites, creating a centralized network of blacklisted emails, phone numbers, IP addresses, customer addresses, and email domains. This unified blacklist ensures a comprehensive defense against fraud across all your online stores and websites, improving security and saving you time.
Ideal for multi-store and websites owners and agencies managing numerous client sites—save time and boost security.
<a href="https://yoohw.com/docs/woocommerce-blacklist-manager/settings/connection/" rel="nofollow ugc">See more about Blacklist Connection feature</a>
Universal Checkout Compatibility
Our plugin is compatible with all types of checkout pages, including WooCommerce Classic, <a href="https://woocommerce.com/checkout-blocks/" rel="nofollow ugc">Block-based Checkout</a>, and third-party checkout plugins. It also features address autocompletion on the checkout page to ensure accuracy and clarity through seamless Google Maps API integration.
Permission Settings
The Permission Settings feature of our plugin allows you to set both default and custom user roles to control access to the Dashboard, Notifications, and Settings. Tailor the access levels to ensure that only the appropriate users can manage and view the plugin’s critical features.
Import / Export
Easily manage your blacklist data with our Import/Export feature. Quickly upload entries via CSV or export your blacklist data for backup, review, or migration purposes, ensuring seamless data management.
Enhanced Protection
Our premier solution for combating fraud and unauthorized transactions: we’ve integrated up with the finest third-party services to deliver the highest level of protection for your business. Each service we chose excels in identifying and preventing fraudulent activities. Moreover, these services offer free plans designed to support small and medium-sized businesses, enabling you to focus on growth while safeguarding your transactions.
<h4>Plugin supported</h4>
<ul>
<li><a href="https://wordpress.org/plugins/woocommerce/" rel="ugc">WooCommerce</a></li>
<li><a href="https://wordpress.org/plugins/contact-form-7/" rel="ugc">Contact Form 7</a></li>
<li><a href="https://www.gravityforms.com/" rel="nofollow ugc">Gravity Forms</a></li>
<li><a href="https://wordpress.org/plugins/wpforms-lite/" rel="ugc">WPForms</a></li>
</ul>
<h4>Plugin integrations</h4>
<ul>
<li><a href="https://wordpress.org/plugins/wc-advanced-accounts/" rel="ugc">WooComerce Advanced Account</a></li>
<li><a href="https://wordpress.org/plugins/woocommerce-gateway-stripe/" rel="ugc">WooCommerce Stripe Gateway</a></li>
<li><a href="https://wordpress.org/plugins/woo-stripe-payment/" rel="ugc">Payment Plugins for Stripe WooCommerce</a></li>
<li><a href="https://wordpress.org/plugins/woocommerce-paypal-payments/" rel="ugc">WooCommerce PayPal Payments</a></li>
<li><a href="https://wordpress.org/plugins/pymntpl-paypal-woocommerce/" rel="ugc">Payment Plugins for PayPal WooCommerce</a></li>
<li><a href="https://wordpress.org/plugins/mollie-payments-for-woocommerce/" rel="ugc">Mollie Payments for WooCommerce</a></li>
</ul>
<h4>Service integrations</h4>
<ul>
<li><a href="https://yoohw.com/global-blacklist-plan/" rel="nofollow ugc">Global Blacklist</a></li>
<li><a href="https://www.cloudflare.com/" rel="nofollow ugc">Cloudflare</a></li>
<li><a href="https://www.google.com/recaptcha/about/" rel="nofollow ugc">reCaptcha v3/v2</a></li>
<li><a href="https://www.hcaptcha.com/" rel="nofollow ugc">hCaptcha</a></li>
<li><a href="https://ip-api.com/" rel="nofollow ugc">IP-api</a></li>
<li><a href="https://www.bigdatacloud.com/" rel="nofollow ugc">BigDataCloud</a></li>
<li><a href="https://www.zerobounce.net?ref=owqwzgy" rel="nofollow ugc">ZeroBounce</a> </li>
<li><a href="https://numcheckr.com/" rel="nofollow ugc">NumCheckr</a></li>
<li><a href="https://mapsplatform.google.com/" rel="nofollow ugc">Google Maps</a></li>
<li><a href="https://yoohw.com/product/sms-credits/" rel="nofollow ugc">Yo Credits</a></li>
<li><a href="https://www.twilio.com/" rel="nofollow ugc">Twilio</a></li>
<li><a href="https://www.textmagic.com/" rel="nofollow ugc">Textmagic</a></li>
</ul>
Premium Support
<a href="https://yoohw.com/support/" rel="nofollow ugc">Access our Premium Support site</a>
Dedicated Assistance: Access to our premium support team for any issues or questions you may have. 
Priority Response: Receive faster response times and personalized support to ensure your plugin operates smoothly.
<a href="https://yoohw.com/product/woocommerce-blacklist-manager-premium/" rel="nofollow ugc">Explore the Premium version here</a>
With these premium features and dedicated support, the Blacklist Manager Premium plugin provides unparalleled security and efficiency, giving you peace of mind and allowing you to focus on growing your business.
<h4>Blacklist Manager Community</h4>
By using this plugin, your store automatically becomes part of the Blacklist Manager Community. 
This community-driven network helps strengthen fraud protection by sharing and consolidating blacklisted data (emails, phone numbers, IP addresses, etc.) across participating stores.
Your contribution helps create a safer eCommerce ecosystem while protecting your own store more effectively.
<h3>Use Cases</h3>
<ul>
<li>Stop fraudulent WooCommerce orders and prevent chargebacks.</li>
<li>Block spam submissions on registration or contact forms.</li>
<li>Enforce email/phone verification at checkout.</li>
<li>Maintain a dynamic blacklist across your entire WordPress site.</li>
</ul>

Blacklist Manager – WooCommerce Anti-Fraud & Checkout Verification & Spam Prevention (Contact Form 7, Gravity Forms, WPForms)

Anti-fraud, checkout verification and spam prevention plugin for WooCommerce and WordPress forms.

Comments Word Blacklist Manager vs Blacklist Manager – WooCommerce Anti-Fraud & Checkout Verification & Spam Prevention (Contact Form 7, Gravity Forms, WPForms)