Am Dienstag, 18. Juli 2006 08:52 schrieb Ger Apeldoorn:
> Perhaps a stupid question, but what happens if you throw away the index
> files and restart Kmail?

KMail detects the missing indexes and recreates the files. It may take some 
seconds depending on how many messages are in the folder(s). However, some 
information stored only in the index files (e.g. the replied status and 
some more stati) are lost.

Regards,
Andreas