Version:           4.7 (using KDE 4.7.2) 
OS:                Linux

A folder under an imap account. Take it with the mouse and drop it somewhere in the local hierarchy. Chose "move". On verification, there is no (maildir-)email in the ~/.local/share/.local-mail.directory/$PATH-to-folder-moved-to but kmail2 indicate that there are emails. Verification with Terminal shows that there is no email in the imap-folder anymore. Now go to akonadiconsole and take the local email service and click on "synchronize". The mail-folder that had a second ago 1300 emails has nothing anymore. All gone. At the same time, the email on the imap-server is also gone. No email anymore. 


Reproducible: Didn't try

Steps to Reproduce:
Reproducible? -- next time I try with a dummy thingy, but maybe someone else wants to try in a sandboxed environment.

Actual Results:  
Email gone

Expected Results:  
Email there

I was on kmail2 KDE 4.8, but KDE 4.8 has a regression so that virtuoso-t takes 100% CPU that has been fixed in the past and correcting that means destroying all metadata and all configuration (aka nuke .kde4 and .local and .config)