| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a mail server capable of grasping easily communication status, which solves the problem that conventional mailing list can not grasp the communication status. SOLUTION: In this mail sever, a destination list stored in a storage 13 is performed a logic operation based on an identifier of a destination list received from a device 30 of information provider side and a logic operation form for the destination list, a mail received from the device 30 to a device 20 of participant side that is the destination as the result of the logic operation, and also the number of the destinations and the destination list determined the possibility to be on public are transmitted to the device 30.</p> |
