Installation Of SSL Certificate On Zimbra Server | Zimbra

In modern days, data security is prioritized with great concern. Most system admins are concerned with their email server security from both inside/outside threats. As threats evolve, so does the...

Install The Latest Zimbra OSE (8.8.15) On Ubuntu 20.04LTS | Zimbra

As system administrators, we are often asked about the installation process of Zimbra. Is there any method we should follow, is there any checklist we should follow etc. Luckily, Zimbra...

Understanding SPF Records | Zimbra

SPF is in action for quiet a long time. The very basic function of SPF is to authorize a sender on behalf of a domain. But why did we need...

How To Prepare An OS For Zimbra Installation | Zimbra

The pre-Zimbra installation phase is no fun. That’s why everyone wants to wrap up this phase in no time. But a little planning in this phase can make our server...

Best Available Open-source Operating System for Zimbra Collaboration OSE | Zimbra

Selecting the proper operating system for your server is as important as defining other key requirements (i.e hardware). Migrating or updating an operational server’s operating system is not as easy/effortless...

How to Properly Set Up Firewalls on Zimbra Servers | Zimbra

A firewall is a network security mechanism that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is...