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 […]
Archive | Open Source
General Availability: Zimbra Collaboration 8.6.0 Patch 2
By Matthew Lewis on May 6, 2015 in Open Source, Product Updates, Security & Privacy, Zimbra Web Client
As of yesterday, May 5, Zimbra Collaboration 8.6.0 patch 2 is generally available. This patch is cumulative with ZC 8.6.0 patch 1, meaning you only need to apply this patch to get the benefits of both. As noted in the release notes, the majority of bug fixes are for the Admin and Web UIs, with some minor […]
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 […]
Email Protection Best Practices: SPF, DKIM and DMARC
By Jorge de la Cruz on April 9, 2015 in Open Source, PowerTips – Admins, Security & Privacy, Zimbra Server
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, […]
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 […]
End-of-Life for SUSE Linux Enterprise Server Support
As announced in Zimbra Collaboration 8.5 and reiterated in the Zimbra Collaboration 8.6 Release Notes, Zimbra is deprecating distribution and support of the SUSE Linux Enterprise Server (SLES) 11, service pack 3 and later, with Zimbra Collaboration 8.6 being the final supporting version. Making an end-of-life (EoL) decision is never easy. In this situation, the number […]