Install Fabric:
sudo apt install fabric -y
Donwload or copy the automation folder of this respository
git clone https://github.com/mati3/mail-server.git
Enter your email-server folder
cd email-server
Starts virtual machine
vagrant up
Run fabric
fab -f automation/fabfile.py -H vagrant@192.168.56.101 Install
Password: vagrant
We go to the browser, put "192.168.56.101/installer", checking install, and we already can enter in your email in "192.168.56.101".