"Envie4u" appears to be a legitimate online retailer. It offers various coupon codes and deals, and customers can sign up for the newsletter to receive the latest offers. The website has customer service reviews available for potential buyers to check. However, it's always a good idea to do personal research and read reviews before making a purchase from any online retailer. Please note that this information is based on available online data and may not be entirely accurate or up-to-date.