Author Archive | Barry de Graaff

Zimbra SkillZ: Use Elastic Stack with Zimbra!

Hi Zimbra Customers, Partners & Friends, Have you wanted to use Elastic Stack with Zimbra? Now you can! With Elastic Stack you can: Easily search through and analyze historic logs Visualize log events to gather insights Store logs for forensic research in case of hacking Monitor uptime and certificates Both Zimbra and Elastic Stack have […]

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Zimbra SkillZ: Zimbra Single Sign-On with SAML (updated July 2023)

Hello Zimbra Friends, Customer & Partners, Zimbra can be used with SAML Single Sign-On (SSO). When using SAML, an Identity Provider (IdP) handles user authentication, so users can open their applications without logging on to each one separately. In SAML, these applications are called Service Providers (SP). Zimbra is a SAML SP. You can use […]

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Zimbra Now with TLS 1.3 Support!

Hello Zimbra Partners, Customers & Friends, In the latest Zimbra patch, Zimbra 9.0.0 “Kepler” Patch 13 and 8.8.15 “James Prescott Joule” Patch 20, the following packages are now GA: OpenSSL 1.1.1h support for TLS 1.3. OpenSSL 1.1.1h with FIPS module support. Postfix 3.5.6 support for TLSv1.3 Nginx 1.19.0 support for TLSv1.3 Why is this important […]

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Zimbra SkillZ: Add a Custom Python 3 Milter to Zimbra! Part 3 of the Zimbra Open Core Series

Hi Zimbra Partners, Customers & Friends, Today I will show you how to create an extension to Postfix. By implementing a Milter (an email extension protocol), you can create an extension that receives events whenever an email is sent or received. Your custom Milter extension can have event handlers for: SMTP events (CONNECT, DISCONNECT) SMTP […]

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Updated SAML for Zimbra – Now Supports Single Log Out (updated July 2023)

Hello Zimbra Partners, Customers & Friends, Did you know that Zimbra support SAML single sign on? SAML is an open standard that allows you to have a single login page for all applications in your organization. SAML is a Zimbra Network Edition feature. Once you have set-up your SAML portal, you can easily add Multi […]

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