Archive | Zimbra Server

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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NEW Zimbra Patches: 9.0.0 Patch 23 + 8.8.15 Patch 30

Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 23 and 8.8.15 “James Prescott Joule” Patch 30 are here. Log4j Zero-Day Exploit Vulnerability After intensive review and testing, Zimbra Development determined that the zero-day exploit vulnerability for Log4j (CVE-2021-44228) does not affect the currently supported Zimbra versions (9.0.0 & 8.8.15). Zimbra currently uses Log4j […]

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NEW Zimbra Patches: 9.0.0 Patch 22 + 8.8.15 Patch 29

Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 22 and 8.8.15 “James Prescott Joule” Patch 29 are here. Log4j zero-day exploit vulnerability After intensive review and testing, Zimbra Development determined that the zero-day exploit vulnerability for Log4j (CVE-2021-44228) does not affect the current Supported Zimbra versions (9.0.0 & 8.8.15). Zimbra Collaboration Server currently […]

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NEW Zimbra Patches: 9.0.0 Patch 21 + 8.8.15 Patch 28

Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 21 and 8.8.15 “James Prescott Joule” Patch 28 are here. Security Recommendation Zimbra strongly recommends that you review whether the Proxy Servlet is configured to allow a particular host (via the zimbraProxyAllowedDomains configuration setting on each class of service). Please make sure: Each entry in […]

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NEW Zimbra Patches: 9.0.0 Patch 19 + 8.8.15 Patch 26

Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 19 and 8.8.15 “James Prescott Joule” Patch 26 are here. Security Recommendation Zimbra strongly recommends that you review whether the Proxy Servlet is configured to allow a particular host (via the zimbraProxyAllowedDomains configuration setting on each class of service). Please make sure: Each entry in […]

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NEW Zimbra Patches: 9.0.0 Patch 18 + 8.8.15 Patch 25

Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 18 and 8.8.15 “James Prescott Joule” Patch 25 are here. Security Recommendation Zimbra strongly recommends that you review whether the Proxy Servlet is configured to allow a particular host (via zimbraProxyAllowedDomains configuration setting on each class of service). Please make sure: Each entry in zimbraProxyAllowedDomains […]

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