Latest Articles
Safeguard Your Carbonio Community Edition Server From Backscatter Attacks | Carbonio CE
Backscatter emails, a form of email abuse, can pose a serious threat to the stability and performance of your Carbonio Community Edition (CE) mail server. These unwanted messages, often generated...
Improve Email Security with External Email Alerts in Carbonio Community Edition Servers | Carbonio CE
With the increasing prevalence of phishing attacks, malware, and spam, securing your organization's email system is more crucial than ever. External email alert act as a front line defense, providing...
Restrict Carbonio Community Edition Users to Send Emails Locally Or Externally | Carbonio CE
Imagine a scenario where a company's sensitive financial information or proprietary information is at risk of being leaked. By implementing internal email policies and controlling email flow, businesses can prevent...
Setting Up Email Interception in Carbonio Community Edition | Carbonio CE
Many companies' security policies require mandatory monitoring of the emails users send and receive. Such control can pursue several goals at once from preventing leaks of important information to monitoring...
Have You Set OTP protection To Fortify Your Server Login | Carbonio CE
Server security should be top priority for any organization. Securing the login process is crucial in keeping unauthorized access at bay. Strong passwords, two-factor authentication, and limiting the number of...
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 Community Edition 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...