| 摘要 |
PURPOSE:To eliminate the need for the modification for are existing electronic mail system, to reduce the overhead and to easily perform the load distribution. CONSTITUTION:A common electronic mail transfer means 4 performs the transmission of messages from an electronic mail system 1, the distribution of the messages from electronic mail system 21-2n to this electronic mail system 1 and the repeating of the messages between the electronic mail system 21-2n one another. At this time, individual gateway means 81z-8n connected with the common electronic mail transfer means 4 via a individual gateway connection mean 7 convert the messages and addresses between the electronic mail system 1 and the electronic mail system 21-2n mutually. The common electronic mail transfer means 4 refers to the information of an individual gateway information control means 6 to decide the individual gateway means 81-8n for the transfer destination of the received electronic mail.
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