When we last left this subject, I told you all about Transorma, the first letter-sorting machine in semi-wide use. But before and since Transorma, machines have come about to perform various tasks on ...

Instead of reflecting the date an envelope is dropped into a mailbox, the postmark will now represent the date it is first ...

The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the actual drop-off date.

The upcoming changes to the U.S. Postal Service's (USPS) postmark process, set to take effect in 2026, could significantly affect the timely delivery of important documents such as ballots and bills.

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. One of the ongoing challenges of the Post Office Department over the course of the twentieth century was sorting an ...