[Kolab-announce] Announcing the Kolab Server 2.3.1

Christoph Wickert wickert at kolabsys.com
Sat Apr 30 16:01:27 CEST 2011

Yesterday late at night I finished the the Kolab Server 2.3.1.


There are not many new features because it is a bugfix release, but in the 
webadmin you new will find a new ActiveSync configuration. It will work for 
most users, however not completely for power-users with lots of nested and 
shared folders, so please consider it only a technical preview.


Most of the bugfixes affect the webadmin, cyrus-imapd and z-push:

- cyrus-imapd: Work around for missing user_deny.db
- cyrus-imapd: Properly flush buffer after TLS initiation
- kolab-webadmin: Problems with new UID based dn were fixed
- kolab-webadmin: LDAP Error for maintainers group was fixed
- kolab-webadmin: New welcome pages now work for all users
- kolab-webadmin: Multi-language function was fixed
- kolab-webadmin: Kolab Server version string was fixed
- z-push: The alias now works out of the box
- Z-push, kolab-z-push and PEAD-Kolab_Zpush: New versions with many bug fixes

For a complete list of changes please refer to


The upgrade form 2.3.0 is straight forward, there is nothing special you need 
to care about.

If you are upgrading from 2.2.4, please follow the instructions to upgreade  
from 2.2.4 to 2.3.0 as outlined in 


Binary packages for Debian GNU/Linux 6.0 (Squeeze/stable) and 5.0 
(Lenny/oldstable) on x86 platforms can be found next to the sources.

As soon as they have synced, you can also use the the mirrors listed on 

You can check the integrity of the downloaded files by importing our file
distribution key and verify the OpenPGP signature and SHA1 checksums:

$ wget https://ssl.intevation.de/Intevation-Distribution-Key.asc
$ gpg --import Intevation-Distribution-Key.asc
$ gpg --verify SHA1SUMS.sig
$ sha1sum -c SHA1SUMS


There are still two bugs in freebusy and the resource management:

- https://issues.kolab.org/issue4730 (generating free/busy cache broken in 
server 2.3.0)
- https://issues.kolab.org/issue4731 (answer from resources contains extra 
"\r\n\r\n" characters) 

These will be fixed in 2.3.2 and we will offer packages for testing next week.

Please report bugs in our bug tracker at https://bugzilla.kolabsys.com/


As 2.3.1 was released two weeks after 2.3.0 and I'd like to stick with the 
two-weeks cycle. This means that the Kolab Server 2.3.2 will be released on 
Friday, May 13th. Yes, this is an unlucky date, not because I'm superstitious 
but I will be busy. This might even mean I will release earlier. 


Christoph Wickert
Senior Engineer

Kolab Systems AG
Zürich, Switzerland

e: wickert at kolabsys.com
t: +49 251 871 369 77
w: http://kolabsys.com

pgp: 85DACC63 Christoph Wickert
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