Setting up an ActiveSync client

Kolab supports the use of the ActiveSync protocol for client connection. This knowledge base article is a short generic description of the setup procedure followed by a list of articles that describes how to do so on some well known clients. Common for them all is the requirement of support for TLS 1.1 and later […]

Update: Kolab responsive skin

We’re pleased to announce an update for the Kolab Enterprise skin. This update is a release of the new kolab Enterprise Responsive skin (known under the working title: Elastic). The release is available for for Kolab 16, on Red Hat Enterprise Linux 7, CentOS 7, Debian 8, Debian 9, Ubuntu 16.04 and Ubuntu 18.04, The […]

Groups setup in Cyrus IMAP

By default, Kolab ships with a configuration that lets Cyrus IMAP use LDAP roles as permission groups for IMAP folders. This article describes the configuration necessary to change a default Kolab deployment to use distribution groups instead of LDAP roles.

Seafile Administrator Access for Plesk Extension

The administrative page for the Seafile Plesk extension in the Plesk Panel allows a domain owner to display the administrative credentials to their Seafile installation. This article outlines the settings that could and the settings that should not be changed, if those administrative credentials were to be used.

Archiving Email Using Always BCC

Organizations that require or desire archiving of their communications often use an external solution distinct from the Kolab environment. Such appliances often support SMTP-based forwarding, and for those cases, this article explains how to configure Postfix such that all email is archived.

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.