Is a powerful OpenCart extension designed to help store owners block unwanted customers from placing orders.
You can instantly block a customer by email address or phone number, directly from the Customer List page or by adding rules manually.
Blocked customers are prevented from completing checkout and will see a customizable multilingual error message.
The module works for both registered users and guest checkout, and does not modify any core OpenCart files.

⭐ Features
Block customers by email or phone number
One-click block buttons in the Customer List (email & phone)
Custom multilingual error message displayed during checkout
Dedicated Blacklist management page (add, remove, deactivate rules)
Works for logged-in customers and guest checkout
Lightweight, no performance impact
100% OCMOD – no core file changes
Fully compatible with multi-language and multi-store setups
Clean interface, integrated with OpenCart design

⭐ Journal3 compatibility
⭐ Admin Quick Edit PRO