In some cases, you may need to block certain customers from completing orders on your WooCommerce store.
This could be due to fraud prevention, policy violations, or simply wanting to prevent repeat offenders from making purchases. Thankfully, WooCommerce provides the flexibility to implement an email blacklist with just a few lines of code.
In this tutorial, I’ll show you how to add a simple email blacklist using a custom function that checks the customer’s email at checkout. By adding these 8 lines of PHP to your theme’s functions.php file, you’ll be able to prevent orders from specific email addresses efficiently. Enjoy!
Continue reading WooCommerce: Prevent Orders From Blacklisted Email Addresses