 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.Due to the hobbyist nature of the network, any privacy between the sender and recipient was only the result of politeness from the owners of the FidoNet systems involved in the mail's transfer.It was common, however, for system operators to reserve the right to review the content of mail that passed through their system.