> How would we know? <
The US Postal Service now offers a notification service. After you sign up, you’ll automatically get an email notification of each day’s expected mail delivery. I really like it.
I talked to my mailman about this. He doesn’t like it. Which means it’s a good thing.
https://www.usps.com/manage/informed-delivery.htm
Yes...had it...didn’t need it...or use it.