Postal Locations

Very unhappy with their customer service. After my paid priority mail not been delivered to A VERIFIABLE address, they tell me I have to pay for each time I want them to try to deliver my package to a state office. I had paid priority mail, which if not delivered on time or to a verified address, I should be getting my money back! (This was told to me by a supervisor at the USPS 1800 customer service and I even have an open case on this!). They told me they would help me just one time? They need to refund my money and help me each time it is their fault that a package is not delivered. I can't believe their crap!