Postmarks are applied to any letter or package and originally showed the date the item was dropped in a mailbox or submitted ...

The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine. Need to make sure a postmark reflects the day you dropped it off? Here's how. Shipping ...

WASHINGTON — The United States Postal Service updated its explanation for how the postmark process works. Opponents of the change warn it could lead to late fees, penalties and other issues for people ...

Rumors that the United States Postal Service (USPS) updated its Domestic Mail Manual (DMM) to reflect new rules regarding postmarking procedures circulated online in late December 2025. Concerned ...

The U.S. Postal Service is making some changes, and you better know about them. Well, actually, the Postal Service is clarifying some things and is doing it "to improve public understanding of ...