nostr:npub1rmmr5vepcufn6xe9gaumvttytf0qtwxp9hy4n3p3wjr5pvfu7vjqdsx6jx

At least via USPS, if you receive something you didn't order, it's still yours, as I understand. Though it's nice to return it. It's usually my stuff that goes to others, but I handle those fine.