Best of all, he built in some distress handling: If the mailbox door is left hanging open or the battery is low, the toy mailbox waves its flag up and down. So, where do the three sensors come in?

"It's supposed to be door-to-door delivery, not door-to-mailbox," he said. Mays said the mailboxes sit two-tenths of a mile from his house but his neighbors along Hamilton Lane find their packages ...

This text should be visible on the side of the box facing the carrier’s regular approach or on the mailbox door if they are ...