TERMINAL DEVICE, MAIL TRANSMISSION SYSTEM, AND CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a terminal device capable of transmitting a file with a digital signature by mail by simple operation.SOLUTION: A terminal device including a function for transmitting a file with a digital signature by mail comprises: a first communication unit 101 for executing communication with a terminal used by an approver when a distance from the terminal has been equal to or shorter than a predetermined distance; an acquisition unit 102 for acquiring a value which is encrypted by encryption processing executed using information communicated with the terminal device and is obtained from a file of a transmission target; and a transmission instruction unit 302 for outputting an instruction to transmit the acquired and encrypted value and the file by mail.