As of a few minutes ago, Zimbra support emailed me to let me know they have released a hotfix based on the P6 patch which addresses this problem. P7 will still have the fix included as well, but the hotfix allows to patch the system before P7 is available. P6 needs to be applied before the hotfix. ...

Patch 5 upgraded OpenJDK from 11 to 13, and an earlier version upgraded OpenJDK from 8 to 11. The upgrade to OpenJDK 13 caused compatibility issues for OSE users who had installed ZeXtras (ZeXtras released an immediate update to address this), as well as some of Barry deGraaff's excellent third-part...

Same here. The attacks are always the same. They target a known account, and attempt logging in with a single ip, at intervals of 3-4 per minute. A tempted - a unique ip. Many from Asia. All day. Everyday. Impossible to stop them. I set up a massive password reset with a script. Mandatory, 16 min c...

Same here. The attacks are always the same. They target a known account, and attempt logging in with a single ip, at intervals of 3-4 per minute. A tempted - a unique ip. Many from Asia. All day. Everyday. Impossible to stop them. I set up a massive password reset with a script. Mandatory, 16 min c...

Dear team Please help me i have purchased Google vm machine but now they are saying they blocked known outgoings ports you have to change port to any other port please guide me how to change mta out going port Google Cloud does not allow outgoing port 25 except to their authorized email relay servi...

Have you ever run "install.sh -u" on this system? If so, there is a known bug in the installer for RHEL/CentOS systems where install.sh -u leaves a "zimbra-openjdk" package on the system. You will need to remove this package (and indeed all packages beginning with "zimbra-.....

In AWS when you obtain a new Elastic IP it is important that you check the reputation of that IP address before you attach it to any of your instances. If MXToolbox or any of the other blacklist check sites indicate that the IP is listed, then just release that Elastic IP and get another one. Repeat...

If this is the fresh install server, you should ideally run "./install.sh -u" to completely remove Zimbra before starting a fresh installation again. If this is on a RHEL/CentOS system, there is a bug in the Zimbra installer that leaves the java openjdk package still installed. Do a yum se...

Hi, We are using Zimbra Network edition. Total 250 users. Planning to purchase support license (standard) - https://www.zimbra.com/support/support-offerings/ Should we buy license for entire 250 user count or just 25 user count. Once you buy 250 or more seats, there is a discount, so much better to...

I've seen CA installation failures when there is a lack of alignment between /etc/hosts and what the resolver provides for DNS resolution. In one case, DNS was misconfigured. In another case, there was a typo in in /etc/hosts. That you are having the same issue with both a clean install and an in-pl...