Archive | Open Source

Welcome to the Zimbra Tech Center

Over the years, our wiki.zimbra.com has been the hub for all of Zimbra’s technical knowledge. The Zimbra Wiki is a reliable place to find information about updates, configuration, security articles, and so on. Our Zimbra employees have contributed, and continued to contribute, to the Zimbra Wiki to expand our Zimbra knowledge. We use Media Wiki […]

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OpenSSL July 2015 Update

On July 9, 2015, OpenSSL issued a security update to correct an issue opened by its June update. Specifically, this issue relates to alternative chains certificate forgery (CVE-2015-1793), i.e. an ability to “cause certain checks on untrusted certificates to be bypassed, such as the CA flag, enabling them to use a valid leaf certificate to act […]

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Introducing Zcast

On behalf of Zimbra, I am happy to introduce Zcast. In this new podcast series, Zimbra CMO Olivier Thierry covers a variety of technology topics that relate, primarily, to open source software, communication technology, business/product strategy, cybersecurity and data protection. The first in the series is with Zimbra partner MailGuard, founded in 2001 by CEO […]

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Email Protection Best Practices: SPF, DKIM and DMARC

As Zimbra Collaboration is a central communication hub for your business, it needs to be protected and secured. Zimbra Collaboration contains multiple antispam features like SpamAssassin, Amavis-d, etc. But, how do you protect against spoofing? How do we ensure outgoing emails are not going into the junk folder of recipients using other platforms like Google Apps, Outlook 365, […]

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End of Technical Guidance for Zimbra 7.x

Zimbra Collaboration Server 7.x Technical Guidance, which includes technical support, support portal, and self-help (forums, Bugzilla, wiki), will end on March 31, 2015. Customers are encouraged to upgrade to Zimbra Collaboration 8.6 to enjoy the benefits of the new features and support options. (Visit the Downloads page for all product updates.) Need help upgrading? Sign […]

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