Archive | Zimbra SkillZ

Implementing Custom Authentication using a Zimbra extension

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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Implementing a CSRF check on a Zimbra extension

Hello Zimbra Customers, Partners & Friends, In this article you will learn how to implement a CSRF check in a Zimbra extension. The Java project and source code can be found at https://github.com/Zimbra/zm-extension-guide. In many cases the Cross-Origin-Resource-Policy in the web browser and the setting of the SameSite=Strict attribute on the authentication cookie will provide […]

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Email security webinar about MTA STS, TLS RPT, and BIMI

Hello Zimbra Customers, Partners & Friends, Zimbra’s Barry de Graaff and Randy Leiker from Skyway Networks team up for a new webinar series focused on Email Security. These hands-on webinars will include practical how-to information and best practices to help you maximize Zimbra. Learn how to fine-tune key security standards like SPF, DKIM, DMARC, MTA-STS, […]

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