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 CE | Carbonio

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

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...

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...