I use wordpress and woocommerce to sell online courses. also I use "digits" plugin to make users able to order and create accounts using only their mobile phone numbers and therefore, email is not needed and I have removed email field from checkout using "checkout filed editor" plugin.
But woocommerce creates download links based on user emails, therefore download links are invalid for users after they buy something and want to download it. because of that, I have to manually add an email like "[email protected]" to every order and revoke download links of that order to make download links work.
the question is : how to automatically add "[email protected]" to email field of every order when users order something?