Respuestas al mensaje #57,238

All the junk mail I get every week begs to differ. You just won't get it returned if there is no return address and an issue with your letter/package

All I can find is the suggestion that mail without a return address is deprioritized and not sent as quickly. Indeed, seems like most answers as...

When I was younger, I'd put birthday invite cards in my friends' mailbox, no return address. A few days later I'd always find a couple of the ones...