Americans shouldn't drop mail in public mailboxes on Sundays

The mail slots are only large enough for letters, meaning sending even small packages will require a trip to the post office The opening is

Mailbox Regulations For The Door · The door slot should be approved when the opening is at least 1 ½” × 7″ · The bottom of the door slot should be at least 30″

usps mail slot USPS approved 4C mailboxes are required for all new construction and renovation projects US Mail Supply has a list of USPS commercial mailbox regulations

rumus slot gates of olympus Door Slot Specifications The clear rectangular opening in the outside slot postal regulations but also of any mailbox regulations that you know have