IMAP4 Messages being deleted 'mysteriously'
> I have an issue with just one user. Intermittently, a whole bunch of emails are just deleted from his inbox. Is there any way to tell who deleted them?
If they were deleted recently, you can undelete the messages from by editing the user, going to the Advanced tab and using the 'Undelete' options there.
However, if you want more information, before undeleting the messages you could go to Settings -> Database -> Query and type the following query (copy & paste is probably better):