On September 30, 2021, the Let’s Encrypt DST Root CA X3 certificate expired. This certificate was used to sign all...
In the previous articles we saw what Zimbra is and how to prepare the server with the necessary prerequisites to...
Recently I had the chance to implement a Zimbra Collaboration server in its Open Source version and I decided to...
I recently came accross a strange issue with Postfix and Virtualmin on every website hosted on my server when someone...
As I explained in my first entry about Zimbra Collaboration, I’m going to dedicate a few articles to explain its prerequisites,...