[kdepim-users] Problem with INBOX

[Bengt Gördén]

On fredag 25 september 2009 14:35:10 Anne Wilson wrote:
> On Friday 25 September 2009 13:01:57 you wrote:
> > On fredag 25 september 2009 13:02:30 Anne Wilson wrote:
> > > One user has a problem with INBOX (on a local IMAP server).  All
> > > subfolders work fine.  I have removed index files, but the problem
> > > persists.  The error message says
> > >
> > > Error while querying the server status.  Unable to open folder INBOX.
> > > The server replied: Internal error occurred. Refer to server log for
> > > more information.
> > >
> > > There's nothing in /var/log/maillog.  Which log should I be reading?
> >
> > Three short questions:
> > 1. What OS?
> 
> Mandriva Linux 2009.1 but also on the server, CentOS 5.

Ok. I don't know any of these, these days. I haven't used Mandriva since 
2002-2003. CentOS never. I use OpenSUSE and Gentoo myself. And a bit Ubuntu 
also.


> > 2. Which IMAP-server
> 
> Dovecot

I did have a lot trouble with dovecot on a ubuntu-server 1-2 years ago. I used 
kmail and IMAP on the dovecot and there were duplicated mail all over. I 
usually have 2000-3000 mail in my folders and that really got to me having to 
delete all those emails from time to time. Until I found "remove duplicate 
mail".

I can't say that it is dovecot but we couldn't find any traces in the logs for 
our problem so we made the switch to courier and we haven't had any such 
problems after that. I even did a substantial analysis of several tcpdumps 
without seeing anything unusual except that the dovecot server offered already 
seen emails. But that only happened with kmail (not with claws).


> > 3. Which syslog-server?
> 
> Not sure what you mean here, but I was checking logs on the box with
>  dovecot.

Ok. There are several different syslog-server-daemons. Normaly you just use 
syslogd but I also use rsyslog and syslog-ng depending on what I need to do. 
syslog-ng is the easiest to set up and to understand. rsyslog is best when you 
have to forward from one server to another and keep information untouched. 
YMMV.


> > Usually courier, cyrus or dovecot for IMAP. I use courier and there it is
> > courierlogger that handles the logs. Courierlogger logs to syslog. My
> >  syslog is syslog-ng and the options is normally in
> >  /etc/syslog-ng/syslog-ng.conf. I've got:
> 
> Mail movement is being logged correctly in /var/log/maillog.  And all the
> subfolders can be read - only INBOX itself is affected, and only for that
> one user.

Ok. I may have misunderstood you. Is it like this. You can't read the INBOX at 
all but all the other folders? Have you tried wireshark or tcpdump to analyse 
the communication? 


> > destination mail { file("/var/log/mail"); };
> >
> > So for me it's /var/log/mail. But it is also up to what OS you're using
> > to define where the syslog should go.
> 
> This is making no sense to me.  If it were the mail setup I'd expect all
>  his folders to be affected.  There's nothing different, as far as I can
>  see, from his setup under earlier Mandriva, or indeed from mine in Fedora.
>  I'm stumped!

Yes. I agree with you. It sounds weird. Bug?

regards,


/bengan
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