https://inguide.in/how-to-install-free-ssl-certificate-on-zimbra-mail-server/ Je change le domaine ingu.pw In the article Install Zimbra Mail Server o n CentOS 8, we learned to install Zimbra on CentOS. This article discusses the steps required to install the Let’s Encrypt free SSL certificate in Zimbra. Installing Free SSL Certificate on Zimbra: Method 1 This method is a proven one though you have to manually do all the steps. Another method discussed below is partially automatic, which might come in handy if you didn’t encounter any error during installation (working at the time of writing this article). So, let’s begin with method 1. First of all, add epel repository to the server 1 [root@mail ~]# yum -y install epel-release Install snapd Now, install snapd package with the following command 1 [root@mail ~]# sudo yum install snapd After the above step, you need to enable snapd. 1 [root@mail ~]# sudo systemctl enable --now snapd.socket Sometimes, the above command isn’t suffic