Patent ID: 8682744

Claim:
An electronic mail sending device comprising: a sending unit that sends a first electronic mail which notifies a user of a terminal device of a first application deadline in a transaction for which the first application deadline to purchase a product is set, and which includes link information to a webpage which lists information about the product to be traded; and a setting unit that, when application information is not received from the user of the terminal device by the first application deadline, and when an access time, which is a time when the terminal device accesses the webpage indicated by the link information included in the first electronic mail, comes later than a reference time, which comes a predetermined period of time before the first application deadline, sets a send time of a second electronic mail to be sent next such that a first time interval between the send time of the second electronic mail to be sent next by the sending unit and a second application deadline to be notified by the second electronic mail to be sent next is longer than a second time interval between a send time of the first electronic mail sent by the sending unit and the first application deadline notified by the first electronic mail.