Abstract: A portable terminal device of an advertisement medium in an advertisement providing system has the function of storing advertising information and the function of performing wireless communications such as Bluetooth, etc. When a consumer finds a person having interesting goods on or with him or her, the consumer requests to transmit information by wireless through a portable terminal. The portable terminal device of an advertisement medium receives the request to transmit the advertising information, and transmits the advertising information about the goods the advertisement medium has on or with. The advertisement medium has gained user entry in advance. Thus, the consumer can immediately obtain the advertising information about the goods which has been found in the street and interested the consumer.

Abstract: An electronic mail system that is used to send electronic mail with an attached file reliably regardless of the status of mail servers on a transmission path. In this electronic mail system, if an attached file is added to electronic mail sent from a mail client, being a sender, an attached file separating section separates the attached file from the electronic mail. An attached file transferring section transfers the attached file separated from the electronic mail by the attached file separating section to an FTP server. A store location information adding section adds store location information indicating a location where the attached file transferred by the attached file transferring section is stored to the electronic mail. The electronic mail to which the store location information has been added is sent to a receiver mail server.