>>9092770
In 1970, the U.S. Post Office Department became the U.S. Postal Service, agovernment owned corporation. Postal employees, who were Federal employees up to that point became employees of the USPS. They were no longer Federal employees, though they are often treated as such, and since the USPS is still controlled by the Federal government, the Congress still controls much of what they do, such as their pay—to some extent negotiated by employee unions. So they often are seen as Federal employees, but in fact, they are not. They are certainly held to Federal law regulating the USPS, but not in the same way as, say, a Treasury or DHS employee.