[Dovecot] Permission denied but works anyway

[Bob Hall]

On Sun, Oct 16, 2005 at 07:00:58PM +0300, Timo Sirainen wrote:
> On Sun, 2005-10-09 at 23:01 -0400, Bob Hall wrote:
> > I've just updated from 99.14 to 1.0.a3 on a FreeBSD box. Everything went
> > fine, except for a bit of flakyness from Thunderbird. When first
> > checking a mail box in Thunderbird (running on Win2k), I get a message
> > saying that the command can't be carried out and the server answered
> > "Permission denied". I click OK and everything works fine. As long as
> > Thunderbird stays open, the message doesn't pop up again. It only
> > happens when I first check the Inbox for a given account.
> 
> Is there anything in Dovecot's log files? Usually errors similar to
> these are written there.
> 
> Probably the only reason why that could happen without anything being
> written to log files is that imap process doesn't have permission to one
> of your mailboxes (eg. maybe a leftover core file?).

It stopped happening, so I can't do any debugging. We can't diagnose the
patient if he isn't sick, doctor. :)

It never happened with mutt or Eudora, so it seems to be some sort of
heisenbug in Thunderbird.