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

[Kielbasiewicz, Peter]

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

#dovecot -n
# /etc/dovecot.conf
protocols: imap imaps
login_dir: /var/run/dovecot/login
login_executable: /usr/libexec/dovecot/imap-login
mail_location: maildir:~/Maildir
maildir_copy_with_hardlinks: yes
auth default:
passdb:
driver: pam
userdb:
driver: passwd

# tail /var/log/messages
Mar 26 06:45:28 testhost dovecot: imap-login: Login: user=<peter>, method=PLAIN, rip=::ffff:130.143.81.176, lip=::ffff:130.143.83.92
Mar 26 06:46:01 testhost dovecot: IMAP(peter): Disconnected: Logged out
Mar 26 06:46:01 testhost dovecot: IMAP(peter): Disconnected
Mar 26 07:15:31 testhost dovecot: imap-login: Login: user=<peter>, method=PLAIN, rip=::ffff:130.143.81.176, lip=::ffff:130.143.83.92
Mar 26 07:15:31 testhost dovecot: imap-login: Login: user=<peter>, method=PLAIN, rip=::ffff:130.143.81.176, lip=::ffff:130.143.83.92
Mar 26 07:16:04 testhost dovecot: IMAP(peter): Disconnected
Mar 26 07:16:04 testhost dovecot: IMAP(peter): Disconnected
Mar 26 07:40:13 testhost dovecot: imap-login: Login: user=<peter>, method=PLAIN, rip=::ffff:130.143.81.176, lip=::ffff:130.143.83.92
Mar 26 07:40:13 testhost dovecot: imap-login: Login: user=<peter>, method=PLAIN, rip=::ffff:130.143.81.176, lip=::ffff:130.143.83.92
Mar 26 07:40:39 testhost dovecot: IMAP(peter): Disconnected

[Scott Silva]

Post by Kielbasiewicz, Peter
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.
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.
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.
--
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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[Samuel HAMEAU]

Post by Scott Silva

Post by Kielbasiewicz, Peter
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.
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.
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

[M. Bobkiewicz]

Hi Sam,

Post by Samuel HAMEAU

Post by Scott Silva

Post by Kielbasiewicz, Peter
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.
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.
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
Connection reset by peer
sam

in my experience it?s a general Outlook problem, no matter which
version. I?ve seen this with uw and courier imap. I think it is related
to the way how MS handles idle timeouts...

Greetings,

Mike

[Kielbasiewicz, Peter]

I updated to the latest rev from atrpms.net which is 1.0.13 and I see the same behaviour.
No matter if I set "imap_client_workarounds = outlook-idle" or "imap_client_workarounds =" I get those disconnect popups. It seems that the setting has no effect.

Is there someone who had success by applying the setting with outlook 2007?

Peter

-----Original Message-----
From: dovecot-bounces+peter.kielbasiewicz=philips.com at dovecot.org
[mailto:dovecot-bounces+peter.kielbasiewicz=philips.com at dovecot.org] On
Behalf Of Samuel HAMEAU
Sent: Freitag, 28. M?rz 2008 11:11
Cc: dovecot at dovecot.org
Subject: Re: [Dovecot] outlook2007 shows frequent imap disconnect no
matterwhat outlook-idle setting in dovecot.conf

Post by Scott Silva

Post by Kielbasiewicz, Peter
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.
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.
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

Post by Scott Silva

Post by Kielbasiewicz, Peter
move their mails to. This server can easily be backuped (even
incrementally when using Maildir) and users do always have access

to

Post by Scott Silva

Post by Kielbasiewicz, Peter
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

Post by Scott Silva

Post by Kielbasiewicz, Peter
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

Post by Scott Silva
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
Connection reset by peer
sam

[Timo Sirainen]

Post by Kielbasiewicz, Peter
I updated to the latest rev from atrpms.net which is 1.0.13 and I see the same behaviour.
No matter if I set "imap_client_workarounds = outlook-idle" or
"imap_client_workarounds =" I get those disconnect popups. It seems
that the setting has no effect.
Is there someone who had success by applying the setting with
outlook 2007?

..

Post by Kielbasiewicz, Peter

Post by Samuel HAMEAU
Connection reset by peer

"Connection reset by peer" means the connection was closed by the
client (or something in the network), not Dovecot.
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[Benoit Branciard]

Post by Kielbasiewicz, Peter
I updated to the latest rev from atrpms.net which is 1.0.13 and I see the same behaviour.
No matter if I set "imap_client_workarounds = outlook-idle" or
"imap_client_workarounds =" I get those disconnect popups. It seems
that the setting has no effect.
Is there someone who had success by applying the setting with outlook 2007?

..

Post by Kielbasiewicz, Peter

Post by Samuel HAMEAU
Connection reset by peer

"Connection reset by peer" means the connection was closed by the client
(or something in the network), not Dovecot.

Such disconnects may be due to a router or a firewall (or something like
an ADSL modem/router) which sets a timeout on idle TCP connexions
(reflexive ACL, NAT mapping...). It is frequent to have no more than 5
minutes timeout. Workaround is to force the client or the server to keep
the connexion alive by sending some packets at an interval less than 5
minutes, for example by polling new mail every 3 minutes.