Tag: mail

Install Let’s Encrypt ssl certificate in Zimbra automated. This article, I will guide you step by step to do this. If you don’t know yet, Let’s Encrypt is a free project that provides SSL certificates. This project aims to improve the safety of websites, contributing to making the internet environment safer. Let’s Encrypt’s Certbot installation

How to uninstall Zimbra mail server. Installing Zimbra is not too difficult. But during the installation process, you may experience some unexpected errors. Some errors related to dns, some network related errors, some other errors. At times like that, if you have no way to resolve the error, how to do it? Sure, you don’t

Zimbra zimlets failed during installation. This is an error that I myself don’t understand why it happened. In this article, I simply shared my Zimbra installation experience with you. Zimbra zimlets failed during installation Actually, I have installed Zimbra many times. And there was only one time I encountered this problem. What does this error

After you’ve successfully installed the Zimbra mail server, you need to think about protecting it. And the first thing is a firewall. In this article, I will guide you to configure IPTables firewall for Zimbra mail server. Requirements set First, this article only applies to single servers, if you run mail systems with multi servers,

This article will show you how to configure DMARC for Zimbra mail server 8.8.12. After configuring DKIM, SPF, we will now configure DMARC. Here are 3 essential information to protect your mail server, so you can send mail securely. What is DMARC? According to information from Zimbra, we define DMARC as: DMARC, which stands for

This article, I will guide you how to configure SPF for Zimbra mail server 8.8.12. Next of the article configuring DKIM, we will now continue to configure the SPF. What is an SPF? Right, first, we need to know what SPF is? Why do we need to configure it? According to Zimbra, SPF defines: Sender

This article, I will show you how to configure DKIM for Zimbra mail server 8.8.12. What is DKIM? Why do we have to configure it? And how do we configure DKIM in Zimbra? How do mail servers block spam? You have successfully installed Zimbra mail server, but that is not enough. Now, you can email