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...

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...