| 摘要 |
PROBLEM TO BE SOLVED: To provide a system allowing the confirmation of a person accessing an advertisement on a server side and to provide a system for performing the service of reducing the use rate of a user using the providing of an advertisement. SOLUTION: In this system, the server provided on a network adds address information including the address of the server, discrimination information, and the address of an advertisement designation in the transmission of a mail to a mail receiver. |
