| 摘要 |
PROBLEM TO BE SOLVED: To equalize loads among a plurality of mail databases.SOLUTION: A mail database operation method is executed by a computer functioning as a rearrangement device. In the mail database operation method, by selecting a mail database of the highest load as a movement source from a plurality of mail databases on the basis of first load information related to loads for the respective mail databases that store and manage a plurality of mail boxes, which is stored in a storage part, selecting the mail database of the lowest load as a movement destination from the plurality of mail databases on the basis of the first load information, and making a mail server connected through a network move the prescribed number of mail boxes from the movement source to the movement destination, the mail boxes are rearranged. |
