PrestaShop is a popular e-commerce platform used by merchants worldwide. It comes packed with features to assist merchants in their daily business operations. However, some built-in features offer only basic functionality. Take email validation, for example: PrestaShop only checks basic rules, such as whether the email field is empty or if the address follows a valid format (e.g., What if you want to block disposable email addresses during account registration? Registering with a temporary email address often indicates suspicious activity due to the anonymity it provides.<\/p>\n\n\n\n To solve this problem, PrestaShop allows you to extend or enhance built-in features using a mechanism called Override<\/strong>. In this article, we will show you how to extend the default form validation to block invalid and disposable email addresses using the MailboxValidator API.<\/p>\n\n\n\n Note:<\/strong> Before making any modifications, please back up your project.<\/p>\n\n\n\nuser@example.com<\/code>).<\/p>\n\n\n\n