邮箱代码分析

skycoou

        哪位请帮忙分析下，以下服务器返回码。在什么样的使用情况下会导致这种现象。客户接收端OUTLOOK 能正常收发。。

mail_folder.cpp: Cannot open message file D:\store/mail/keenocean-china.com/szcangku/INBOX/#msgs/00000893.eml. The file has been probably removed.
[30/Oct/2014 17:14:23] mail_folder.cpp: Cannot open message file D:\store/mail/keenocean-china.com/szcangku/INBOX/#msgs/00000894.eml. The file has been probably removed.
[30/Oct/2014 17:14:23] mail_folder.cpp: Cannot open message file D:\store/mail/keenocean-china.com/szcangku/INBOX/#msgs/00000895.eml. The file has been probably removed.
[30/Oct/2014 17:14:23] mail_folder.cpp: Cannot open message file D:\store/mail/keenocean-china.com/szcangku/INBOX/#msgs/00000896.eml. The file has been probably removed.
[30/Oct/2014 17:14:23] mail_folder.cpp: Cannot open message file D:\store/mail/keenocean-china.com/szcangku/INBOX/#msgs/00000897.eml. The file has been probably removed.