Archive | Security & Privacy

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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Security Update: Zimbra not vulnerable to recent OpenSSL and Spring RCE Vulnerabilities

Hello Zimbra Friends, Customers & Partners, New vulnerabilities in the OpenSSL and Spring Framework projects have been all over the news lately. The Zimbra Engineering team has spent some time digging into these issues to understand any potential impact to Zimbra. The good news is Zimbra does not appear to be affected by the recent […]

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Email Security Webinar – SPF and DKIM

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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Did You Know? Zimbra Two-Factor Authentication (2FA)

Hello Zimbra Customers, Partners & Friends, Has your email ever been hacked? Set up two-factor authentication (2FA) for an extra layer of security for your Zimbra account. With 2FA enabled, you use your password and a code generated on your smartphone to log into your Zimbra account. Enabling 2FA is easy. You’ll need access to […]

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New Zimbra Webinar Series! Kicks Off 8 March with Email Security

Hello Zimbra Customers, Partners & Friends, Zimbra’s Barry de Graaff and Randy Leiker from Skyway Networks are teaming up for a new webinar series. These hands-on webinars will include practical how-to information and best practices to help you maximize Zimbra. The first webinar on 8 March focuses on email security and using modern email authentication and encryption. Introduce and […]

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