Because the UNID of the document is used to locate the message, any copies that have been moved to folders are also removed.
由于文档unid用于定位消息，因此移至文件夹中的所有副本也会被删除。
Mail configuration; particularly if you use a solution, such as Cyrus Internet Message Access Protocol (IMAP), where user mail folders are specially recorded and indexed.
邮件配置；特别是，如果您使用了像Cyrus Internet Message Access Protocol (IMAP)这样的解决方案，其中对用户邮件文件夹进行了特殊的记录和索引。
The best solution is the Maildir format, where standard directories on the file system are used to refer to mail folders and individual files are used to refer to each individual e-mail message.
最佳的解决方案是 Maildir 格式，其中使用文件系统中的标准目录来表示邮件文件夹，并且使用不同的文件来表示每个不同的电子邮件消息。
应用推荐