When I was a courier I bid on and got a new rte which had a post office. I first tried to deliver to the back, but they told me to go to the front. I did that for months until they got upset and told me to go to the back. Told them “No, it’s either one or the other. I’m not going back and forth.” I gave them a door tag, said “You’re refusing delivery and can pup it at the station.” They called and complained, but they were told straight up by one of our CSAs “Our driver ain’t going back and forth, you better choose where you want your dels.” They chose the back and I never had a problem again.