When I installed Zimbra 10 NE, I forgot to add the onlyoffice repository. So, I can’t open or preview the
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Zimbra Tips: How to Restrict User Access to Webmail
In Zimbra 10, you can restrict users from accessing webmail. To do this, you can simply disable the Zimbra web
Continue readingExchange ActiveSync for Zimbra Open Source Edition (Nginx Custom)
This article was inspired by Stefan Seidel’s writing here: https://www.stefanseidel.info/Z-Push_on_Zimbra_8 . On previous article about Exchange ActiveSync for Zimbra Open
Continue readingHow to Install Zimbra 10 Open Source Edition on Rocky Linux
In this article, I used Zimbra 10 OSE created by ianw1974. System information IP Address : 192.168.56.11 Domain : imanudin.web.id
Continue readingTwo-Factor Authentication for Zimbra Open Source Edition
Thanks to BTACTIC, an open source & cloud solution that has created a great add-on MALDUA’S Zimbra OSE 2FA Extension
Continue readingHow to Add Content-Security-Policy (CSP) Headers in Zimbra
A few days ago, one of our clients requested to enable Content-Security-Policy (CSP) on their email server. So, this is
Continue readingHow to Compile OpenSSL to Support Weak Ciphers and 3DES
If you used the third method to enable weak ciphers on Zimbra in the previous article, this is my approach
Continue readingThe Email Clients Experience Issues After Zimbra Update: Zimbra Daffodil 10.0.2, 9.0.0 Patch-34 & 8.8.15 Patch-41
After patching Zimbra Daffodil to version 10.0.2, 9.0.0 Patch-34 & 8.8.15 Patch-41, some email clients like Outlook experienced access issues.
Continue readingWorkaround : Zimbra HTML Problem after Patch 26/33
I just patching my Zimbra 8.8.15 to patch 33 and Zimbra 9 to patch 26. However, I got problem view
Continue readingPatch for Zimbra 8.8.15 Zero-day Exploit
Zimbra has released a hotfix for the Zimbra zero-day exploit. If you are using Zimbra 8.8.15 on Ubuntu 16.04 and
Continue readingZimbra + Log4j 0day
Below are some information about Zimbra + log4j zero day : # Posted by andreaswolske on Zimbra Forum (Sat Dec
Continue readingZimbra Tips: Problem Receiving from Email Client
A few days ago, our clients asked us why they can’t receive or download emails from email clients. Mostly when
Continue readingInstall and Configure SSDB for Zimbra Large Deployments
My company where I work has several clients with Zimbra large deployments. From 10k users until 500k users. Overall Zimbra
Continue readingZimbra Tips : How to Move/Migrate CBPolicyD Database
To migrate CBPolicyD database from old server to new server, I usually use two methods. The first method is rsync
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