| 摘要 |
PROBLEM TO BE SOLVED: To transfer an electronic mail used in internet and a private communication line network to a communication terminal connected to a public communication line network to which the mail has not been transmittable in a prior art with a simple procedure. SOLUTION: An immediate transfer judgment part 7 judging a regular electronic mail address and an electronic mail address (casual mail address) which is casually set is provided in a mail server device 4. When the immediate transfer judgment part 7 judges the casual mail address, an opposite terminal communication connection information extraction part 15 extracts the telephone number and the communication parameter of an opposite terminal from the casual mail address and a data communication control part 8 transfers the electronic mail 63 addressed to a terminal, which is stored in a mail box 61 in a data storage part 6, to a terminal for public communication line network which is always in a standby state on the other end of the public communication line network 11 by using data. |
