Patent ID: 8843574

Claim:
An electronic mail system comprising: a plurality of user terminal apparatuses; a distribution apparatus that distributes an electronic mail to a specified destination in response to a distribution request for distributing the electronic mail, the distribution request being sent from any of the plurality of user terminal apparatuses; an information providing apparatus; and a storage device, each of the plurality of user terminal apparatuses including: a display processing unit that performs a process to display a list of electronic mails addressed to a user of the user terminal apparatus, the electronic mails including an electronic mail that is distributed from the distribution apparatus and that is addressed to a plurality of users; a detecting unit that detects a process specified to be performed by the user on an electronic mail displayed by the display processing unit; and a process detection information sending unit that sends process detection information that includes process specification information specifying details of the process detected by the detecting unit and mail identification information about the electronic mail on which the process has been performed, the information providing apparatus including: a registration unit that obtains the process detection information sent by the process detection information sending unit and registers the process detection information in the storage device; a history information generating unit that generates history information representing history of processes performed by users on the electronic mail addressed to the plurality of users on the basis of the process detection information registered in the storage device; and a history information sending unit that sends the generated history information to the user terminal apparatus, wherein the display processing unit generates, on the basis of the history information generated by the history information generating unit, status information representing a status of actions performed by users on the electronic mail addressed to the plurality of users, and displays the generated status information in association with the corresponding electronic mail, wherein the status of actions performed by users includes a status of whether a file attached to the electronic mail has been opened, and wherein the display processing unit further generates an action ratio of the status information, the action ratio is a value indicating a ratio of users who have performed a process on the electronic mail.