Features not described in detail in this article, such as message flags, mail delivery options, and folder operations, can vary depending on the backend you use.

本文中没有详细描述的功能(例如，邮件标志、邮件发送选项以及文件夹操作)可能随着使用的后端的不同而改变。

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Query options There are few ways to query an archived mail.

查询选项 只有很少的方法用于查询存档的邮件。

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This section discusses the different options available to the messaging administration team in configuring quotas on a mail database.

本节论述消息管理团队在配置邮件服务器的限额方面可以使用的不同选项。

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The Daily Mail reported that other options being considered by the government include changes to the duty's payment bands or making the tax a one-off up-front charge on new vehicles, instead of charging annually.

BBC: UK Politics

Other options include your SMTP server (the outgoing mail server) which you know about if you need it.

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It offers multiple options for making deposits, which range from conventional mail to cutting-edge mobile apps.

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