Postmaster (or Postmistress) refers to the head of an individual post office. When a postmaster's responsible for an entire mail distribution organization (usually sponsored by a national government), the title of Postmaster General's commonly used. Responsibilities of a postmaster typically include management of a centralized mail distribution facility, establishment of letter carrier routes, supervision of letter carriers and clerks, and enforcement of the organization's rules and procedures.… (More on Postmaster)