When I installed Zimbra 10 NE, I forgot to add the onlyoffice repository. So, I can’t open or preview the
Continue readingZimbra 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 readingEnhancing Email Security: How to Enforce SPF Check on Proxmox Mail Gateway
Proxmox Mail Gateway (PMG) is a powerful email security solution that provides various features to protect your mail server. One
Continue readingHow to Install Zextras Carbonio Community Edition (CE)
Zextras Carbonio Community Edition (CE) is one of the solutions for Zimbra Open Source Edition users. Considering that Zimbra Open
Continue readingAdding an ‘External’ Warning to Email Bodies in Proxmox Mail Gateway: A Simple Guide
If you want to add external warning on email subject, please read this one: Proxmox Mail Gateway : How to
Continue readingProxmox Mail Gateway : How to add “EXTERNAL” warning on email subject
After adding the subject information to the log, I want to add an “EXTERNAL” warning on the email subject. So,
Continue readingProxmox Mail Gateway : How to add Subject Information to the log
I have Proxmox Mail Gateway (PMG) and I need to add subject information to the log. This subject is needed
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 reading