Update: roundcubemail-1.4-rc1.167

We’re pleased to announce an update for the roundcubemail packages, version 1.4-rc1.167 This update is a bugfix and enhancement release for Kolab 16, available for Red Hat Enterprise Linux 7, CentOS 7, Debian 8, Debian 9, Ubuntu 16.04, Ubuntu 18.04 and for Plesk Premium Email version 16 for Red Hat Enterprise Linux 7, CentOS 7, […]

Configuring Kolab with setup-kolab

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 […]

Increasing the Size of Uploads and Attachments

A default Kolab environment uses default configuration for operating system packages, as they are shipped by your operating system vendor. This includes settings that limit the size of uploads accepted by the web server, and the maximum size of email messages. This article outlines how to increase the mail and file size accepted.

Relay Outbound Mail Through a Third Party, Using Postfix

John Doe administers a Kolab Enterprise installation, but the complete environment for what we’ll call “example.com” involves server systems hosted by third parties — such as a web server for the corporate website, and maybe other application servers. This article outlines the possible solutions to one or more of these environments being restricted somehow.