A facsimile machine connected to PSTN to receive image data from another device over PSTN and transfer the image data to a designated recipient on another network such as LAN and internet. Delivery conditions are registered in a storage of the facsimile machine. Delivery information or instructions are carried together with the image data. A control unit determines a recipient by comparing the delivery information or instructions with the delivery conditions. The control unit causes the facsimile machine to transfer the image data to the determined recipient.