We’re pleased to announce an update for the iRony packages, version 0.4.2-3. This update is a bugfix release for Kolab 16, available on Debian 8, Debian 9, Ubuntu 16.04 and Ubuntu 18.04, and for Plesk Premium Email version 16 available on Debian 8, Debian 9, Ubuntu 16.04 and Ubuntu 18.04. The following issues are fixed; […]
A Plesk installation normally uses Dovecot, Postfix, SpamAssassin and Roundcube to provide your users with a complete mail stack. Regular tests shipped with SpamAssassin of course detect spam, and can mark it as such or even move the spam out of the user’s INBOX. But what happens with the spam that goes undetected? What happens […]
This article describes the installation procedure for Kolab 16 on Plesk 17 (Onyx).
The performance of Kolab Groupware web interfaces can be increased significantly by using the Alternative PHP Cache (APC user cache) and OPcache. This article outlines the installation and configuration of both caches.
The purpose of this guide is, to describe the procedure of upgrading a Kolab Goupware installation from a default installed Kolab 3.4 (last “community version”) to Kolab 16. The guide is not taking into consideration any customized configuration. neither is it considering installations of Kolab 3.4 on CentOS 6, which is not supported for Kolab […]
This article is a guide to setting up redundant firewalls using Red Hat Enterprise Linux 7, that services high-availability and load-balancing requirements for the firewalls themselves as well as the services in networks behind it. The base architecture of the network consists of at least 1 subnet on the outside of the firewalls, facing the […]
After having installed kolab (following the appropriate install guide in this knowledge base) it needs to be configured. The script ‘setup-kolab’ is distributed with the out-of-the-box installation and is taking care of the basic configuration, but a successful configuration is depending on the environment that Kolab is installed into. Many aspects and variables will have […]
We’re pleased to announce an update for the roundcubemail packages, version 1.4.2 This update is a bugfix and enhancement release for Kolab 16, available on Red Hat Enterprise Linux 7, CentOS 7, Debian 8, Debian 9, Ubuntu 16.04, Ubuntu 18.04 and on Plesk Premium Email version 16 for Red Hat Enterprise Linux 7, CentOS 7, […]