| 摘要 |
<p>In a system for notifying the arrival of a mail over the Internet, the load of the arrival notification is reduced. In case the arrival notification from a mail delivery device to a terminal has failed, the arrival notification data is stored in transmission data storage means and the arrival notification is again transmitted to the terminal after a predetermined period of time has elapsed. when the arrival notification is transmitted successfully. the stored arrival notification data is deleted from the mail distribution device. Alternatively, the deletion is performed when another mail to the same terminal is received. Moreover, in case of a failure, the time of re-transmission is changed according to the failure reason, or the priority of notification is set according to the kind of the terminal.</p> |
