I don't know about the actual post office, but my route person seems to be on the lazy side. I continue to get mail that is addressed to people who lived here before me, even though I've left several notes stating my name only. I left a note in my box stating that I had a package I'd like to give to him, (wouldn't fit in my box). He knocked at the door, left another package and didn't wait to pick up my box. Just knocked and left. I've not had a postman be this lazy or unconcerned.
Had issues.....But they did their best to correct it.