Ubuntu-Mail

Notice, SSH Port has been set 4242

Get Started with the graphical installer:

wget https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/beta/installer.sh -O /tmp/installer.sh  
bash /tmp/installer.sh

Legacy Installer for developing and debugging:

wget https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/beta/installer.sh -O /tmp/installer.sh  
bash /tmp/installer.sh -l 2>&1 | tee ~/output.log 

This script uses the following repo's as dependencies:

* VPS-scripts/Unattended-Security-Updates 
* VPS-scripts/Ubuntu-MySQL
* VPS-scripts/Ubuntu-Web

Sources:

https://linuxize.com/post/set-up-an-email-server-with-postfixadmin
https://www.howtoforge.com/amavisd_postfix_debian_ubuntu
https://www.linuxbabe.com/mail-server/setting-up-dkim-and-spf
https://linuxconfig.org/how-to-change-welcome-message-motd-on-ubuntu-18-04-server
https://phoenixnap.com/kb/automatic-security-updates-ubuntu
https://www.digitalocean.com/community/tutorials/ufw-essentials-common-firewall-rules-and-commands

https://www.mail-tester.com
https://www.emailsecuritycheck.net