The Consumer Postal Council champions world-class postal services by promoting programs and policies that increase productivity, transparency and eliminate distortions and inefficiencies caused by monopolies.

As if taking its cues from the world of exclusive nightclubs, the U.S. Postal Service has declared that you have to be “in the know” to get the best value for your mailing dollar. Consumers who mail certain printed materials are just learning that the traditional discounted rate for “bound printed...