I was wondering about this today, and I'm sure there are safeguards in place, but... What would happen if I were to mail a letter without postage (or insufficient postage) to Address A, but put ...

The United States Postal Service has a time-tested system in place for making sure the parcels they're entrusted with end up at their destination. This system runs into hiccups when mail is deemed ...

Ever sent a letter or package only to have it come back marked “Return to Sender”? It’s frustrating, right? Whether it’s a wrong address, an unclaimed package, or something else entirely, mail returns ...

It all started after I mailed a thank-you note that was never received. When I inquired at my local post office, the folks there told me to contact "the dead letter office," and that, to make a long ...