Archive | Zimbra SkillZ

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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Zimbra SkillZ: Download email as EML file Zimlet

Hello Zimbra Customers, Partners & Friends, This new Zimlet adds a menu item in the More menu to export/download an email to an EML file. Storing email as a file can be useful for archiving and portability. EML files can be read by other mail clients such as Thunderbird. Screenshots   Further reading https://github.com/Zimbra/zimbra-zimlet-export-eml https://gallery.zetalliance.org/extend/items/view/export-and-download-email-as-eml-file […]

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Zimbra SkillZ: Enable DANE Verification for Incoming Email in Zimbra

Hello Zimbra Customers, Partners & Friends, In this post, you’ll learn how to enable DANE for incoming email in Zimbra. DANE is a security protocol that adds additional verification of a TLS certificate. We covered setting up DANE for outgoing email in this post. Here’s some background … Email is sent over the internet with […]

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