If enabled, you must first train &brandShortName; to identify junk mail by using the Junk toolbar button to mark messages as junk or not. You need to identify both junk and non junk messages. After that &brandShortName; will be able to mark junk automatically.
如要启用，您必须使用工具栏的 垃圾邮件 按钮标记相应邮件以训练 &brandShortName; 来辨识垃圾邮件。您需要标识垃圾邮件以及非垃圾邮件。之后 &brandShortName; 就能自动辨别垃圾邮件。