Changes to how the U.S. mail is stamped are quietly rewriting the rules for anyone who relies on a postmark to prove they met ...

Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates ...

The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.

A USPS postmark is used to indicate the date when mail was dropped in a mailbox or submitted at the post office counter. Now, ...

The United States Postal Service (USPS) is set to implement changes in 2026, including adjustments to the postmark process.

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

The United States Postal Service has changed the postmark process going into 2026, which potentially could add late fees and penalties to parcels.

What's new at the post office in 2026? Here's what to know about changes in the postmark process, postage stamps and USPS ...