The FidoNet system was responsible for routing the message from one system to the other (details below), with the bulletin board software on each end being responsible for ensuring that only the intended recipient could read it.
FidoNet sistem je bio odgovoran za rutiranje poruka iz jednog sistema u drugi (detalji slede u nastavku), sa softverom oglasne table na oba kraja koji je odgovoran da obezbedi da samo onaj kome je poruka namenjena nju i pročita.