Here is a short overview of all the Chat/Video integrations that are available for Zimbra. In the table you can not only find what products have integrations with Zimbra, but also if they are free to use and if they are to be deployed in-house (on-premises) or are a SaaS offering. Product / Link Chat/Video […]
NEW Zimbra Patches: 9.0.0 Patch 32 + 8.8.15 Patch 39
Hello Zimbra Friends, Customers & Partners, Increase Cases of Compromised Servers We have noticed an increase in cases where customer servers have been compromised. To help you safeguard your system, we recommend you always upgrade to the latest patch and regularly refer to our blog and the Zimbra Security Center for steps to ensure your system is safe. […]
10 steps to check Zimbra server for compromise
Hackers often install webshells on onpatched Zimbra systems and then wait for some time before actually abusing the compromised system. Especially on systems where critical security patches where installed too late, it may seem all was OK, where in fact a hacker has already gained access to the system, but did not do any other […]
Configure Zimbra OpenDKIM to sign the Subject header
By default Zimbra OpenDKIM does not sign the Subject header. At this time the configuration of what headers are signed by Zimbra OpenDKIM cannot be done via zmprov. There is a pending feature request to make these headers configurable via zmprov. In this article you will learn how to configure Zimbra OpenDKIM by customizing the […]
Zimbra with Single Sign-On using Google Workspaces
In this article you will learn how to set-up Zimbra on Google Workspaces. Google Workspaces serves as a SAML Identity Provider (IdP) and Zimbra will be a SAML Service Provider (SP). The technology used in this article is SAML, an open standard for Single Sign-On. When using SAML an Identity Provider (IdP) will take care […]
Per user attachment size limits
Zimbra Postfix can be configured to use Postfwd. Postfwd can be seen as a firewall for Postfix and it allows the creation of rulesets to implement email restrictions. A new Admin UI Zimlet and extension leverage Postfwd to configure per user attachment size limits. More information and download is available on the Per user attachment […]