engineerized

> Maybe related: #166 Looked at it but it did not help unfortunately. I tried following just to test; ``` jQuery(function($){ $('form.cart').on( 'click', ".single_add_to_cart_button", function(event){ event.preventDefault(); // Disable for testing...

Having the same issue on EE v4. I have two domains running on 1 server. When you test send emails from the server it works! I use Office 365 smtp...