New releases of Ubuntu are using a new desktop environment, which is something not every user is accepting. Although it’s very useful for non-experienced computer users, it will be annoying to others. Getting the old GNOME back is rather simple.
This guide will demonstrate how to deploy DKIM on Debian-based Linux distributions. Other distributions work similar, except some do not use the scripts in init.d. The configuration of DKIM will be the same. I will discuss HOW to deploy it, not WHY to deploy it as I assume you’ve already decided to do so.