附加组件
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关于这个附加组件
Ever send an email using the wrong email account in Thunderbird? Border Colors is a simple add-on that lets you specify a color for each email account. This color will then outline the Compose window depending on which account is active.
创建您自已的收藏集，您必须一个 Mozilla 附加组件账户。
或者登录您已有的账户
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