虽然在复制和策略方面的改进是非常强大的功能，但成功实现用户本地邮件副本的关键在于创建目录编目。

While advances in replication and policies are very powerful features, the key to successfully implementing local mail replicas for users lies in the creation of a directory catalog.

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如果LDAP目录发现用户密码是正确的，该用户将被绑定到LDAP目录。

If the LDAP directory finds that the password is correct, the user is said to be bound with the LDAP directory.

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