For decades, a USPS postmark has served as official evidence that mail was sent on time. In elections, many state laws treat a ballot as valid if it is postmarked by Election Day, even if it arrives ...

Aptly-named snail mail might be getting even slower in 2026. The United States Postal Service has implemented new procedures for the new year, which could delay delivery. Among changes is the postmark ...

The Unites States Postal Service is making changes for 2026, including the postmark process — which could mean late fees and penalties for anyone mailing time-sensitive documents such as tax returns ...

USPS makes more changes to cut costs, improve service in 2026. Know how postmarks work to avoid late fees on bills, taxes. When do price changes start?

The U.S. Postal Service is making new changes in 2026, including adjustments to the postmark process, which could result in late fees and penalties for anyone mailing time-sensitive documents such as ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, the postmark – an official mark that shows where and when mail was accepted by the Postal Service – has been used in ...

U.S. Postal Service changes for 2026, including adjustments to the postmark process, could result in late fees and penalties for anyone mailing time-sensitive documents, such as tax returns or bills, ...