The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.
The U.S. Postal Service (USPS) implemented new procedures for dating mail on Dec. 24, postmarking letters and packages with ...
Many users posted the claim along with a screenshot of a BlueSky user who wrote, "USPS quietly changed its postmark rules — ...
What is new at the post office in 2026? Here's what to know about Postal Service changes in postmark process, postage stamps ...
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