[Dovecot] Problems with Outlook 2002 SP3 & Dovecot 0.99.13 Redux

[Timo Sirainen]

On Mon, 2005-02-21 at 10:39 -0500, Md wrote:
> The orignal question...
> >    I'm running Dovecot0.99.13 on Fedora Core 3 and things work fine when using either
> >    Thunderbird 1.0 or Outlook Express as IMAP clients.  Outlook (2002 SP3) on the other hand
> >    runs incredibly slowly, or just outright hangs.
> 
> I've discovered that if I delete and recrete .../Maildir in the user account such that the directory
> exists but is empty, then outlook seems to behave.  If on the other-hand, I try to create a folder, 
> with outlook, outlook will hang and the folder won't be created.  If I create the folder with another
> client and then go back to using outlook, outlook will hang.
> 
> I've taken some network traces and have annotated them here...
..

The problem with these traces is that they're not complete.

> Now try to create a sub-folder using outlook:
>    0.000000    192.168.73.1          192.168.73.3          IMAP     Request: DONE
>    0.000587    192.168.73.3          192.168.73.1          IMAP     Response: 0006 OK Idle completed.
>    0.000910    192.168.73.1          192.168.73.3          IMAP     Request: 0008 IDLE
>    0.001113    192.168.73.3          192.168.73.1          IMAP     Response: + idling

For example in here the CREATE command is missing completely. This is
most likely because only the first line of each IP packet is shown.

Also is it Dovecot or Outlook that hangs? You could try straceing the
Dovecot's imap process while it's running to see if it's waiting in
poll() or doing something else.

I don't think I've heard of similar problem before though, so probably
somehow specific to your installation..

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