How to install OpenLiteSpeed in CentOS 7? In this article, I will guide you step by step to install the OpenLiteSpeed web server in CentOS 7. OpenLiteSpeed emerged as the…
Linux
Step by step add a new domain in Zimbra from A-Z. In my blog, I also wrote some articles about Zimbra. However, it is quite sporadic. In this article, I…
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 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.“…
Install Let’s Encrypt certificate for new domain in Zimbra. Previously, I wrote an article about using certbot-zimbra. It is used to automatically install Let’s Encrypt SSL for Zimbra mail server.…
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…
How to migrate mail data from Google GSuite to Zimbra? This article will guide you to do that. There are many tutorials on how to migrate data from Zimbra to…
Zimbra change password redirect port 8443 to 443? Why do you need to do that? And how to do it? In Zimbra mail, when the user clicks on the Change…
How to extend Linux LVM partition in AWS? Today I will show you how to do that. This is an accidental situation, a person asked me for help. He uses…
Fix DKIM field must be base64 encoded. In this article, I will show you how to fix this error of DKIM. If you have read the article How to check…
