The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the ...
The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.
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Why your mail could be delayed in 2026; USPS changed postmark rules
Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates ...
United Parcel Service (UPS) provides package delivery and logistics services around the world. It provides domestic and international shipping, freight transportation and supply chain solutions.
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