Latest Articles
How To Maintain Your Zimbra Servers After Soon-coming CentOS End-of-life
In December 2020, an announcement of Redhat shocked the whole tech world. CentOS, one of the most stable open-source OS will not release any stable version of it after CentOS...
How Do Antispam and Antivirus Protection Works in Zimbra OSE?
These days the world is dealing with a different kind of threat. You may have heard the term called “Mail borne threat”. Usually a network/system administrator is concerned about end...
Best Authentication Methods for Zimbra – System Administrators’ Most Requested Features
Zimbra OSE is a complete email solution. It offers lots of customization compared to G Suit and M365. Still, it needs some attention from the system admins perspective to make...
Zimbra OSE Backing Up And Restoring Process
In my future series of articles onmost requested features by Zimbra admins, I will discuss the details about the advantage and disadvantages of various manually created backup and restoration process...
Monitoring Zextras Docs using Prometheus
Collect and correctly display metrics is the best (sometimes the only) way to understand how single software components or the entire infrastructure is working and performing. You can use the...
Split Domain
The Split Domain tecnique allows to share an email domain between two distinct email systems. When is worth using Split Domain ? The Split Domain tecnique is particularly useful in...
Firewall ports in Zimbra
One of the main weapons of modern cybercriminals is the port scanner, thanks to which they find servers that are susceptible to certain vulnerabilities and then attack them. That is...
How to setup External Active Directory Authentication
With this article we are going to see how to configure, through the administrative interface, the external authentication to Active Directory in Zimbra. Configuration After logging in to the AdminUI,...
How to install and update Let’s encrypt for Zimbra
Using certificates to secure your data and mail traffic is something that is extremely important. We have seen, in the " Zimbra SSL/TLS Commercial Certificate " article, how they work...
Zimbra Collaboration Suite and Anti-Phishing
Let's get back to dealing with security and especially email security, going to address a delicate and extremely important topic like Phishing and see what measures can be taken in...
Enterprise Security black, white and gray lists
Zimbra incorporates a spam filter that allows you to reliably protect your company's mail from receiving infected messages that are not related to business correspondence. We've seen how to manage...
Zimbra Black List and White List
Speaking of email security and spam, there are many factors to consider as we have seen in the incoming and outgoing mail protection best practices articles. Surely, however, we can...
Zextras Implementation Results for SaaS Provider
In this article, we show you a real-world case study on the implementation of Zimbra Open Source Edition and Zextras Suite for a European SaaS service provider that specializes in...
How to integrate Zimbra Collaboration Suite with Active Directory
Many companies already have an established IT infrastructure where a tool such as Microsoft Active Directory is often used to manage and authenticate users. When these realities plan the implementation...
How to transfer mail from your mail server to Zimbra?
“You have to run as fast just to stay in the same place” - this phrase from Lewis Carroll can be safely applied to the work of IT specialists, because trends in the...
Setting up a password security policy in Zimbra
Along with encrypting emails and using digital signatures, one of the most effective and low-cost ways to protect email from hacking is a competent password security policy. Passwords written on pieces...
Zimbra REST API: Mail Methods
In this article we have seen how Zimbra uses the REST API and what are the different methods for retrieving data.In this guide, we are going to analyze the two...
Zimbra REST API: Briefcase Methods
In this article we are going to analyze the Briefcase methods of the Zimbra REST API. For an overview and in-depth coverage about it, we refer you to the related...