Domain Keys Identified Mail (DKIM, or Mail Identified through Domain Keys) is a cryptographic technology using which domain owners publish the public keys of public-private key pairs used for signing email messages. This allows third parties to establish a degree of confidence about the message originating from designated and duly authorized infrastructure. In other words, […]
We’re pleased to announce an update for the roundcubemail-skin-plesk-larry packages, version 0.3.4. This update is a rebuild including new dependencies. It is available for Plesk Premium Email version 16 for CentOS 7, Debian 8, Debian 9, Red Hat Enterprise Linux 7 and Ubuntu 16.04. There is no change in functionality for this release.
We’re pleased to announce an update for the roundcubemail-skin-plesk packages, version 0.4-10. This update is a minor bugfix release for Plesk Premium Email version 16 for CentOS 7, Debian 8, Debian 9, Red Hat Enterprise Linux 7 and Ubuntu 16.04. The following issues are fixed; Use dot rather than star icon for unread messages Assorted […]
We’re pleased to announce an update for the kolab, version 16.0.1-17. This update is a bugfix release for Plesk Premium Email version 16, available for Plesk on Red Hat Enterprise Linux and CentOS 7. The following issues are fixed; Pull in aspell for kolab-plesk package, which is necessary for the composers spellchecker.
When the Plesk Premium Email extension is first installed, it does not magically switch over existing domains to use Plesk Premium Email. If your deployment uses the Resellers functionality, you will need to enable the Plesk Premium Email permission in the reseller’s Service Plan(s). Only then can Resellers reach out to their customers and provide […]
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 […]
Webmail does not redirect to HTTPS Your clients should always use https to connect to webmail, to avoid being vulnerable to attacks. A good method to ensure this is the case is to redirect from non-https to https. To enable the https redirect got to the hosting settings of your domain and enable “Permanent SEO-safe […]
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.
Kolab integrates with Seafile, a cloud file storage system that, among other features, enables Kolab users to share information with external, third parties, and provides synchronization of libraries between clients — laptops, desktops and mobile devices. Kolab Systems provides an extension for Plesk, allowing Plesk customers to enjoy Seafile. Let’s look at scenarios where Seafile […]
We’re pleased to announce an update for the roundcubemail-plugins-kolab packages, version 3.5.4. This update is a bugfix release for Kolab 16, available for Red Hat Enterprise Linux 7, CentOS 7, Debian 8, Debian 9, Ubuntu 16.04 and Ubuntu 18.04, and for Plesk Premium Email version 17 on Red Hat Enterprise Linux 7, CentOS 7, Debian […]