Mail could take longer — and cost more. The United States Postal Service is changing postmark rules and shipping prices in 2026.

Add Yahoo as a preferred source to see more of our stories on Google. A USPS postmark is an official mark that shows where and when mail was accepted by the Postal Service. It used to include the date ...

Thanks to a new set of USPS postmark rules, your mail could now be delayed, affecting important deadlines for voting, taxes, ...