Amazon will provide a full refund automatically and send you a email indicating as much and to verify your address. It looks like one I just got
Hello,
A shipment from your order (#103-2719734-111222) for the following item(s) has been returned as undeliverable.
Item(s) Returned:
*1 *Xyz
Some common causes for undeliverable packages are listed here:
http://www.amazon.com/gp/help/custom...Id=3608471#why
If you haven't already requested a replacement order or received a replacement notification, you'll receive a refund notification soon, in which case you may return to our website and place a new order.
If placing a new order, please take a moment to verify the correct shipping address is listed for any open orders you may have. You may view your order status online in Your Account (
www.amazon.com/your-account).
The shipping address listed for the returned order is:
Billy Bob
123 Rainbow DR
Somewhere
AA
12345
US
We hope to see you again soon.
Sincerely,
Customer Service
Amazon.com
Note: this e-mail was sent from a notification-only e-mail address that cannot accept incoming e-mail. Please do not reply to this message.