[Dovecot] 0 mails available even if mails in mailbox

[Timo Sirainen]

On Apr 17, 2009, at 9:27 AM, Raphael Thoma wrote:

> We are currently facing the problem, that dovecot doesn't return any  
> messages (Pop3: +OK 0 messages) even if there are messages in the  
> cur and new directory (maildir format). The logfile does not contain  
> any information other than login/logout.
>
> After I deleted the dovecot.index file, all messages are available  
> and everything works as expected. According to the wiki page [1] the  
> main index file should be synchronized when the cur and new  
> timestamps changed. I suppose this synchronization doesn't work  
> correctly because the problem still existed after I changed the  
> timestamps manually.

Did you check that the timestamp also really changes in the server  
Dovecot was running on? Could be a NFS caching problem.