From MAILER-DAEMON Tue Feb 18 17:09:41 2003
Date: 18 Feb 2003 17:09:41 +0900
From: Mail System Internal Data <MAILER-DAEMON@sils.shoin.ac.jp.>
Subject: DON'T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA
Message-ID: <1045555781@sils.shoin.ac.jp.>
X-IMAP: 0978993078 0000001333
Status: RO

This text is part of the internal format of your mail folder, and is not
a real message.  It is created automatically by the mail system software.
If deleted, important folder data will be lost, and it will be re-created
with the data reset to initial values.