| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an internet registration contract system, with which an electronic mail address containing a user name desired by a user can be instantaneously issued and further, there is no danger to leak information for a contract to the outside. SOLUTION: A prescribed item containing the user name is sent through a terminal 10 and a dedicated line to a host computer 20 in the head office, and the mail address composed of the user name and one sub-domain name is issued. When the novel issued mail address is overlapped with an issued mail address, the sub-domain name is changed and the issued mail address is returned to the terminal 10.</p> |
