Beware: Thunderbird (ver 3.0.1) CORRUPTS all email state

[Michael Cronenworth]

Michal Schmidt on 01/28/2010 09:15 AM wrote:
> This happened today to a colleague of mine. I suggested him to remove
> ~/.thunderbird/*.default/ImapMail/*/*.msf which fixed the problem (it
> made Thunderbird reload the state of the emails from the IMAP server
> again).

You (should) get the same effect from right-clicking on a mail folder 
and selecting "Rebuild Index". The problem will disappear temporarily, 
and after some time it will come back.

The only permanent fix at this time, as mentioned already, is to disable 
CONDSTORE support.