Hey Kevin.Honka ,
Not sure if you wanted me to create another thread, but I thought I could just add on to this one. In your written guide (thank you for that by the way), there is a part where I am confused:
Some things are important in this Form, we have to set a Notification command, usually there are 2 commands delivered with the standard icinga2 installation. For this template I chose mail-host-notification.
I have this command defined, but not in Director by default. I had to add in a new Command definition, but I don't think I did it correctly. Here's what it looks like in Director:
I continue through the guide following each step, but in the end, the emails do not send out. If you need more information let me know, but I am almost certain that I have configured the command I pasted above incorrectly.