Service isn't hiring
"...Job seekers don't have to pay to find out about postal service jobs. They are listed online at www.usps.com.
The postal service also provides a free test orientation guide for potential test-takers that includes sample test questions.
"They are not providing you with any information you can't get free," ..."
READ MORE HERE
Reference: http://www.jsonline.com/watchdog/pi/42638912.html