[Dovecot] outlook2007 shows frequent imap disconnect no matter what outlook-idle setting in dovecot.conf

[Samuel HAMEAU]

Scott Silva a écrit :
> on 3-26-2008 1:33 AM Kielbasiewicz, Peter spake the following:
>> Hello,
>> I saw the problem quite often in various posts but could not find a 
>> real solution .
>> Problem is that I frequently get annoying popups from outlook 2007 
>> about imap idle timeouts which block working with outlook until the 
>> popup is acknowledged.
>>
>> The popup says:
>>  Your IMAP server closed the connection. This can occur if you leave 
>> the connection idle for too long.
>>  Protocol: IMAP
>>  Server:     testhost
>>  Port:         143
>>  Error Code: 0x800CCCDD
>>
>> I tried to run dovecot with or without  "imap_client_workarounds = 
>> outlook-idle" but do not see any difference.
>> I am running dovecot on Red Hat Enterprise Linux Client release 5.1 
>> (Tikanga).
>> Below is the output of some commands to get a clue about my config.
>>
>> Background info:
>> Our primary mailboxes are on exchange servers.
>> As there is a size limit on the server mailboxes I am evaluating a 
>> local storage solution for our users.
>> Thus  I set up an additional mailbox in outlook using IMAP.
>> Local .pst files can not be backuped easily (especially when outlook 
>> is running) and I am investigating a local IMAP server where users can 
>> move their mails to. This server can easily be backuped (even 
>> incrementally when using Maildir) and users do  always have access to 
>> their mails.
>> The drawbacks are that users must have an extra login to the imap 
>> server because I have no ldap access to the company AD server from our 
>> local site domain.
>> The solution will not be accepted though if I can not prevent the 
>> frequent disconnect popups.
>>
>> Peter
>>
>>
>> #dovecot --version
>> 1.0.rc15
> First try upgrading to a more current version. 1.0.rc15 has got to be a 
> year old by now. You can get a newer rpm at atrpms.net.
> 

I do have the same problem with dovecot 1.0.10 : disconnection popups 
with Outlook 2003/2007 with this kind of line in the logs:
dovecot: 2008-03-26 15:16:01 Info: IMAP(user): Connection closed: 
Connection reset by peer

sam