Category: Zimbra

Category about Zimbra mail server, this is the most powerful open source mail server in the world.

Upgrade to the new version of Certbot Zimbra. This is the content of this article. If you’ve read the previous article that I wrote about how to use Certbot Zimbra to register Let’s Encrypt SSL for the new domain automatically. Tonight, I accidentally discovered that the script is no longer working. Certbot Zimbra 0.7.10 What’s

In this article, I will show you how to add a new domain in Zimbra admin. For most mail system administrators, they can do this through the command line. But Zimbra provides us with a user interface to do that, so let’s use it. Steps to add a new domain in Zimbra admin The system

Zimbra unable to start TLS: hostname verification failed. Have you ever faced this error. Its full content is “Unable to start TLS: hostname verification failed when connecting to ldap master.” This error occurs when you install multiple SSL certificates for multiple domains in Zimbra mail system. Recommended Reading: Install Let’s Encrypt certificate for new domain in

Zimbra block emails Virus Heuristics.Encrypted. Have you ever received notifications from users that customers cannot send mail to them. With the message “Our content checker found virus: Heuristics.Encrypted.Zip“. What is this error? Why does it happen when a customer sends you an email? How to handle it? Zimbra block encrypted archives and Heuristics.Encrypted files Zimbra

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