| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electronic mail system by which illegal use can surely be prevented. SOLUTION: In the electronic mail system, a CPU of an electronic mail relay device 2 receives an electronic mail relayed by servers 30a, 30b on the Internet 3, and when server additional information added by the servers 30a, 30b to the electronic mail is coincident with preset history information, the electronic mail relay device 2 relays image data attached to the electronic mail to a facsimile terminal 5 via a telephone line network 4.</p> |
