Author Archive | Barry de Graaff

Customizing the Modern UI theme colors and logo

With the Simple Theme customizer Zimlet you can change the Modern UI appearance in a fast and easy way. Simple Theme customizer Zimlet supports setting the primary and secondary color and the logo on Zimbra Modern UI. You can set these settings globally or per domain. Configuring and installing Create a file /tmp/zimbra-zimlet-simple-theme.xml with the […]

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Implementing Custom Authentication using a Zimbra extension (updated)

In this article you will learn how to implement Custom Authentication using a Zimbra extension. The Java project and source code can be found at https://github.com/Zimbra/zimbra-custom-authentication. Take a look at https://github.com/Zimbra/zm-extension-guide if you are new to Java or building Zimbra extensions. The zm-extension-guide covers all the things needed to build the Custom Authentication extension. Zimbra […]

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Zimbra Email Security Webinar Series: DNSSEC (updated)

Hello Zimbra Customers, Partners & Friends, Zimbra’s Barry de Graaff and Randy Leiker from Skyway Networks team up for a webinar series focused on Email Security. These hands-on webinars will include practical how-to information and best practices to help you maximize Zimbra security. In this fourth episode of the Zimbra Email Security Webinar Series, join […]

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Zimbra SkillZ: How to use Zimbra with multiple HTTPS domains (Server Name Indication)

This article is a short how-to on making your Zimbra reachable via multiple HTTPS domains. This will allow your users to reach Zimbra using different URL’s such as: https://mail.zimbra.com and https://mail.zimbra.org. Set-up initial TLS certificate Set-up Zimbra to work with the fist HTTPS domain. Install the certificate obtained from your Certificate Authority by using one […]

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Zimbra SkillZ: How to create the certificate chain

Hello Zimbra Customers, Partners & Friends, This video is a practical how to on creating the certificate chain file. The certificate chain file usually named commercial_ca.crt and it is needed to deploy TLS certificates on Zimbra. If you’re interested, you can also read our Wiki article about Creating the Certificate Chain. Thanks, Your Zimbra Team

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