Latest Articles
Password Security Policy in Carbonio Community Edition | Carbonio CE
Strong and constantly changing passwords are the basis for protecting your accounts from hacking. This is why a strong password security policy is the first thing a Carbonio CE mail server...
Protecting Mail Servers from DoS Attacks in Carbonio Community Edition | Carbonio CE
Previously, we talked about Postscreen, a solution that can protect the Carbonio mail server from automated spam mailings from botnets and compromised mail servers via the SMTP protocol, which can...
In Security
, Zextras Carbonio
How To Configure Let’s Encrypt SSL Certificate For Multiple Domains In Multi-tenant Carbonio Using Admin UI | Carbonio CE
Configuring Let's Encrypt SSL certificate is always tricky. Specially when command line interface is the only resort for the System Admin. We can say so far it was the only...
Restricting Sending and Receiving Emails for Users in Carbonio Community Edition | Carbonio CE
One of the most important characteristics of an email server is its reputation. If it turns out to be tainted by uncontrolled mass mailing, there is a risk that the letter...
Protecting Mail Server from Overloads Using Postscreen in Carbonio Community Edition | Carbonio CE
Despite the emergence of numerous instant messengers, it is email that is by far the most inexpensive way to send information, and given that emails support attachments in the form...
Understand And Manage Password Policy In Carbonio Community Edition | Carbonio CE
An email server contains several layers of security. As a system admin you may be familiar with all of them but we can not expect this expertise from a regular...
How to Work with SpamAssassin in Carbonio Community Edition | Carbonio CE
Despite the emergence of numerous instant messengers, it is email that is by far the most inexpensive way to send information, and given that emails support attachments in the form...
How To Deal With Outbound Spamming In Carbonio Community Edition | Carbonio CE
One fine summer afternoon, you found that one of your users account has become compromised and it has been generating huge amount of SPAM mails. In this article, we will...
Installation Of SSL Certificate On Zimbra Server | Zimbra
Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying...
Understanding SPF Records | Zimbra
Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying...
How To Prepare An OS For Zimbra Installation | Zimbra
Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying...
How to Properly Set Up Firewalls on Zimbra Servers | Zimbra
Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying...
In Blog
Carbonio Chat – GDPR Compliant Enterprise Instant Messaging service for Data Controllers | Blog
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...
In Blog
Why Data Sovereignty Should Matter to Us All | Blog
Rise of cloud computing and the increase in the number of companies adopting this technology to offer services to users, draw more criticism about data privacy. Especially all sorts of...
Native Packaging vs. Installers – Secure Installation of Carbonio Community Edition | Carbonio CE
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...
In Blog
Yet Another Step Towards An Open-source Future: German State Adopts Open-source Solutions For Public Administration And Schools | Blog
Schleswig-Holstein – a state in northern Germany – tries to separate its path from the tech giants by replacing Microsoft’s products in the public sector and schools switching completely to...
How Do Antispam and Antivirus Protection Works in Zimbra OSE? | Zimbra
Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying...
Best Authentication Methods for Zimbra – System Administrators’ Most Requested Features | Zimbra
Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying...