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

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 ...

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

Many users posted the claim along with a screenshot of a BlueSky user who wrote, "USPS quietly changed its postmark rules — ...

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

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

If you’re mailing something with a firm deadline, the U.S. Postal Service has a change you’ll want to know about — and it could mean the difference between ...

Here's what to know about the increases as well as other changes for Illinois residents. The following increases go into ...

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

A quiet technical update at USPS is changing how deadlines are proven—raising new questions about timing, trust, and mailed ...

For decades, a USPS postmark has served as official evidence that mail was sent on time. In elections, many state laws treat ...

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