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

A recent change to United States Postal Service postmarking procedures could impact when mail is officially considered sent, ...

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 (USPS) implemented new procedures for dating mail on Dec. 24, postmarking letters and packages with ...

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 ...

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

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

The U.S. Postal Service is rolling out changes to how mail is postmarked in 2026, a shift that could have significant consequences for people sending ...

People relying on the U.S. Postal Service to mail time-sensitive documents may need to take additional steps to make sure postmarks aren’t late if they’re cutting it close to key deadlines. A new fede ...

For decades, we've relied on the "postmark" to prove we paid a bill or mailed a ballot on time, but now, the rules are ...

The U.S. Postal Service changed when mail is postmarked as it's being processed – which could cause issues with ...

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