| 摘要 |
PURPOSE: To select a transfer route by allowing an electronic mail system to reflect upon the state of a mail network at this time. CONSTITUTION: When a user 102 inputs the transfer route to a transfer completion time check means 104 in this electronic mail system, the transfer completion time check means 104 finds a time to complete transfer from a mail server 101 to a mail server 111 by using an accumulating mail check means 105, a transfer start time check means 106 and mail transfer route performance information 103, and moreover, checks a time required finally for arrival from the mail server 111 to a destination by using a remote place transfer completion time check means 109. |
