postalexam473.com they advertise as being the Actual post Office, but after you pay them an Application fee ( I know, I should have know better), they will send you a Guide of how to prepare for the USPS test, witch im sure i can get that for free if I do a litte research myself.
Looking for a job at the USPS , i was presented by this webpage, wich looks and feels like you are at a legitimate USPS webpage.
You folow the instructions and once you received a confirmation email that your payment was received, they send you guides of how to go and apply for a USPS job, GUIDES!!
this is an exaple of the multiple links to the Guides
Chapter 1 – Hiring, Employment Requirements & Job Details