Courier-Post on MSN

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 ...
Printing Impressions

USPS Rules EnvyPak's Clear Envelopes Can Reduce Postage Up to 57%

MARYVILLE, Ohio - April 6, 2018 - EnvyPak, America's No. 1 Clear Envelope Manufacturer, announces an innovative, patent pending, clear plastic envelope format that can reduce postage for marketers by ...