对修改用户密码的限制。

Restrictions to changing the user's password. You can set three different flags.

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考虑到安全因素，邮件代理只允许你查看收件箱和以你自己的账户回复邮件，而不允许访问到gChat服务，修改用户密码或者修改账户的其他设置。

In terms of security, delegates can only view your inbox and respond to messages on your behalf; they can't access gChat, change your password, or fiddle with other account settings.

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多数情况下，您只需要修改用户名和密码。

In most cases, you need to modify only the user name and password values.

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