Re: [Dovecot] Thunderbird saved searches, tags and Dovecot oddity

On Tue, 2009-10-13 at 08:50 -0700, Michael Durket wrote:

 4) The next day (or the next time Thunderbird is started), all  

the previously tagged messages are back (in addition to newer ones).

I guess you're using mbox format? Apparently there's some bug that sometimes doesn't write flags to mbox file. mbox_lazy_writes=no should fix that, although it also makes performance somewhat worse.