All messages in Inbox lost :-(

[Stefan]

Hello List!

Since yesterday I'm experimenting with proko2 (CVS grab from yesterday)!
At the moment I don't no why, but something smashed my INBOX! All mails are 
gone!! Subfolders do exist, but they are all empty!
I recovered my mails from tape into my mailbox and tried to rebuild the index 
of this (German GRUMMEL) ......cyrus imapd with cyrrecover, but without 
success! :-(  There is no time anymore to examine the basics of this tool! 
Can anybody tell me the correct syntax?

cyrrecover -fr $mailbox-name seems to ?nothing?. The mails are there, but I 
couldn't see them in kontact!

Do I have to delete the Files cyrus.cache, cyrus.header and cyrus.index before 
running cyrrecover??

TIA
Stefan