aug 7, 2024 · ri 399, which was issued in february 1979 by the postal service and modified several times since, assigns a primary craft (clerk or mail handler) to perform. dec 20, 2023 · in summary, as a mail processor, your job duties will include sorting and distributing mail, operating mail processing equipment, and processing incoming and. mail processing is mostly done at night. You'll probably clock in sometime between 4pm to 10 pm, depending on your plant. They cannot force you to work more than 12 hrs a…