Nextcloud Talk Zimlet

Zimbra loves Nextcloud! And that is why Zimbra and Nextcloud work together to make both products integrate seamlessly. The Nextcloud Talk Zimlet add a button in the new appointment window that allows you to create a Nextcloud Talk meeting from the Zimbra Calendar. Screenshots Installing This Zimlet depends on the installation of Nextcloud Zimlet for […]

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Authentication Bypass in MailboxImportServlet vulnerability

Zimbra 8.8.15 patch 33 and Zimbra 9.0.0 patch 26 contain an important security update that fixes an authentication bypass in MailboxImportServlet (CVE-2022-37042 and CVE-2022-27925). If you are running a Zimbra version that is older than Zimbra 8.8.15 patch 33 or Zimbra 9.0.0 patch 26 you should update to the latest patch as soon as possible. […]

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Zimbra with Let’s Encrypt Certificates a step-by-step guide

This article is a step-by-step instruction on setting up a Zimbra with Let’s Encrypt certificates. If you are running a multi server installation of Zimbra it is recommended you set-up a dedicated VM for obtaining the Let’s Encrypt certificate and follow this blog. Prerequisites This guide assumes you are using Ubuntu 20 and you have […]

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Deprecation of the “X-XSS-Protection” header

Hello Zimbra Customers, Partners & Friends, In the past Zimbra recommended to set the X-XSS-Protection HTTP response header. This header used to enable additional protection against cross-site scripting (XSS) attacks in some web browsers. However this header is now deprecated and support is removed from most browsers. In case you have configured Zimbra to use […]

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NEW Zimbra Patches: 9.0.0 Patch 26 + 8.8.15 Patch 33

Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 26 and 8.8.15 “James Prescott Joule” Patch 33 are here. The patches include What’s New, Security Fixes, Fixed Issues and Known Issues as listed in their respective release notes. Please refer to the release notes for the patch installation on Red Hat and Ubuntu platforms. […]

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Automated installation of Zimbra and Lets Encrypt update!

Previously we introduced the zinstaller script that can be used for automating the installation of Zimbra. The zinstaller script will install a Zimbra 9 single server on Ubuntu 20 and will also obtain and install a 60-day trial license. It now also supports automated installation of Zimbra with Let’s Encrypt certificates and it will take […]

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