团队认为解决方案中不包含自动存档功能，由用户管理邮件数据库是最适合的做法。
The team determined that automated archiving of messages for the users was not going to be a part of the solution and that user management of mail databases was the most appropriate course of action.
执行整个数据库的用户管理备份。
自行管理的用户帐号数据库
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