Your customers' feedback is important because it helps you consistently keep your edge.

The Lost and Found Software makes the feedback process easy and fast. 

When the customers receive the Handling Gateway mail, they can leave the feedback. 

Customers can also leave comments for you. This is the form they see: Feedback Form
You can subscribe to the feedback messages of your customers in » My Profile » Subscribe for Notifications

The email template with the customer feedback function is in

» Settings » E-Mail Template » Template Handling Gateway Mail 1 

You can edit the template text or remove the customer feedback.