Originally Posted by Tugarpj
Sounds to me like it is his problem and not yours. He requested it be returned to the po. You shipped and technically he could have chosen to receive. The post office should assume responsibility but they try not to whenever possible. Fight with them and don't take no from the first person that says it. Ask for the next person up the chain.
What if he wasn't home to sign(maybe working), so he wrote on a notification that the postman may have left, to just return it to the PO, so he can pick it up.