This articles guides you through the setup of an Exchange ActiveSync account hosted on a Kolab server, using Outlook 2016. Regrettably, Outlook 2016 does not support automatic discovery for accounts that use ActiveSync — please bugger Microsoft about that lack of support. First step is, to make sure that Outlook Read more…
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 Read more…
In a time when email addresses did not always make sense, email signatures served the purpose of identifying the author to the recipient. As described in RFC1855 (Netiquette), it had to be short and to the point. Evolution has since driven the feature of signatures into new functionality and areas, like marketing and legal recognition. Today many organizations has strict rules for signatures, the content and the format, and some countries demand business mails to have certain text and statements included in the signature.
Kolab has an option to automate this feature, so that organizations can be assured that rules and appliance are followed.
(more…)Although this note is really about a 3rd-party tool, it provides valid and useful information for kolab administrators and end users. In Outlook 2016/365 ActiveSync support is not enabled by default. While it is still possible to use the manual setup procedure through the Windows Control Panel, unfortunately auto-discovery does Read more…
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, it’s a been there ribbon.
This article explains how to configure a Kolab environment to sign mail messages with DKIM and verify DKIM signatures on inbound email.
(more…)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 an impact on the configuration. This guide is only touching on the absolute basics. For information and assistance with more complex installation scenarios, please contact contact@apheleia-it.ch
(more…)After having configured Kolab, you probably want to secure it with SSL/TLS. This article describes how to do that with certificates from Let’s Encrypt.
(more…)Collaborative editing, using Collabora Online, is an additional function that can be added to the out of the box Kolab 16 installation.
This article outlines how to install Collabora Online to a Kolab 16 installation on CentOS 7 or Red Hat Enterprise Linux 7, when Kolab is secured via Let’s encrypt.
(more…)Apheleia IT AG keeps the Kolab repositories under maintenance and makes those available for users through a mirror. Recently the mirror infrastructure has been renewed and updated, and the old mirror is now deprecated. The new mirror is available at: https://mirror.apheleia-it.ch/repos/Kolab:/16/ The new repositories can be configured in an existing Read more…
To migrate data from one Kolab 16 installation to another follow the following steps: This approach is very generic and makes some assumptions: Migrating LDAP https://www.golinuxcloud.com/openldap-migration-examples/ Migrating IMAP imapsync Migrating SQL msqldump/msqlimport Advanced techniques For large deployments the above may not be sufficient, and it is possible to things such Read more…