In this printing system, in case of carrying out printing from a personal computer, PDA (personal digital assistants), and portable telephone, the printing data are transmitted through internet to a server by using the printing data as a mail, temporarily stored in a server, and then transferred to a digital copying machine to print. In the server, at the time of receiving the mail as the printing data, control is made of the action to store the printing data in a memory or a hard disk drive.