A basic blacklist solution to prevent annoying spammers from sending messages via the contact form. @todo build module
- Download ContactController.php and locate it in override/controllers/front/
- Add email addresses to the public variable $spammers as indicacted in the file ContactController.php. Don't forget to add comma's.
- Search in var/cache/prod/ for the file _class_index.php and delete it. Prestashop will regenerate it with the override.