I recently logged into the Admin mail account of a Zimbra mail server I manage to see if there was anything noticeable to look at. It’s not an account I log in much, since it …
On September 30, 2021, the Let’s Encrypt DST Root CA X3 certificate expired. This certificate was used to sign all SSL certificates generated by Let’s Encrypt. To avoid serious problems, Let’s Encrypt created a new …
I recently came accross a strange issue with Postfix and Virtualmin on every website hosted on my server when someone tried to send a mail using a contact form. The websites stated that the email …
In the previous articles we saw what Zimbra is and how to prepare the server with the necessary prerequisites to install it. We will now finish with these prerequisites by installing and configuring DNSMasq on …
As I explained in my first entry about Zimbra Collaboration, I’m going to dedicate a few articles to explain its prerequisites, installation and configuration, and to continue with this series, I’m going to dedicate this part …
