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使用 java mail api，我们监控收件箱文件夹并处理电子邮件。如果在处理电子邮件时发生错误，我们会将其移至错误文件夹。

如果成功，我们会从收件箱文件夹中删除电子邮件。以下是邮件调试的片段。它显示复制成功，但从未在错误目录中找到该电子邮件，并且它也从收件箱中删除。

为什么会发生这种情况？还有为什么即使没有复制邮件，java mail api也会报告成功。

2013-10-04 14:25:20,886 [] [] [] INFO  [monitorScheduler-1] monitor.EmailMonitor monitor.EmailMonitor (EmailMonitor.java:393) - Copy error message to error folder
2013-10-04 14:25:20,889 [] [] [] INFO  [monitorScheduler-1] STDOUT util.LoggerStream (LoggerStream.java:156) - A10 COPY 1 Inbox/error
2013-10-04 14:25:20,896 [] [] [] INFO  [monitorScheduler-1] STDOUT util.LoggerStream (LoggerStream.java:156) - A10 OK COPY completed.
2013-10-04 14:25:20,897 [] [] [] INFO  [monitorScheduler-1] monitor.EmailMonitor monitor.EmailMonitor (EmailMonitor.java:400) - Mark message as deleted from monitored folder
2013-10-04 14:25:20,897 [] [] [] INFO  [monitorScheduler-1] STDOUT util.LoggerStream (LoggerStream.java:156) - A11 STORE 1 +FLAGS (\Deleted)
2013-10-04 14:25:20,907 [] [] [] INFO  [monitorScheduler-1] STDOUT util.LoggerStream (LoggerStream.java:156) - * 1 FETCH (FLAGS (\Seen \Deleted \Recent))
A11 OK STORE completed.
2013-10-04 14:25:20,907 [] [] [] INFO  [monitorScheduler-1] monitor.EmailMonitor monitor.EmailMonitor (EmailMonitor.java:404) - Expunge the monitored folder
2013-10-04 14:25:20,908 [] [] [] INFO  [monitorScheduler-1] STDOUT util.LoggerStream (LoggerStream.java:156) - A12 EXPUNGE
2013-10-04 14:25:20,922 [] [] [] INFO  [monitorScheduler-1] STDOUT util.LoggerStream (LoggerStream.java:156) - * 1 EXPUNGE
* 0 EXISTS
A12 OK EXPUNGE completed.
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1 回答 1

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报告成功的是您的服务器。

尝试为错误文件夹使用不同的名称，而不是在收件箱下命名的名称，以防有帮助。

于 2013-10-06T01:28:47.353 回答