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Carbonio Chat – GDPR Compliant Enterprise Instant Messaging service for Data Controllers
In this article, you'll find out why Zextras Carbonio's instant messaging service, aka Chats, is a perfect fit to comply with GDPR and how it meets all the legal obligations...
Native Packaging vs. Installers – Carbonio Secure Installation
Software programs in the source code have to be compiled and built first in order for the consumes to easily install and use. Software packaging within the various Linux distros...
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...
SpamAssassin
Regarding spam protection strategies in Zimbra, a mention deserves SpamAssassin, an Open Source anti-spam platform that can provide system administrators with a filter that can classify emails and block spam....
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 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...
Improve the security using Zextras 2FA
Security is not an option. Unfortunately, many companies meet security only after an attack has been received, or when they have to limit the damages of a data breach. Security...
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 SSL/TLS Commercial Certificate
Nowadays the use of an SSL (or even better TLS) system to protect your connections has become almost a must. We have seen in this article what SSL certificates are...
Zimbra Best Practices: Improve outgoing Email Security
Today, in this article, we want to cover an interesting aspect to be considered once you have Zimbra installed: how to improve the security of the emails you send. Zimbra...
Zimbra Best Practices: Incoming Mail Protection
I believe that one of the most important aspects related to e-mail is security management, both in terms of possible attacks, such as malware or viruses, and in terms of...
MTA: A General Overview
Mail Transfer Agent (MTA) is a software that transfers e-mail messages from one computer to another via SMTP. Mail Routing Scenarios We want to introduce you to some pretty common...
The Importance of Keeping Up with the Latest Updates
Today we want to talk about a very important aspect that should not be underestimated when using Zimbra OSE and Zextras Suite: upgrading.Many of you will wonder why it is...
Enabling CBPolicyD (Cluebringer PolicyD) WebUI
PolicyD v2 (codenamed "cluebringer") is a multi-platform policy server for popular MTAs. This policy daemon is designed mostly for large-scale mail hosting environments. The main goal is to implement as...