https://youtu.be/eHxVvqzEtmc?si=BU6TYxt3cxl9yxdW
It's like this
Everything looks good, and wonderful but there's always a surprise waiting for your.
Coming from an exchange engineer with over 11+years experience
Honestly it's fun and all but I wouldn't recommend for anything work related. If I were to run a mail server at home I'd make sure I get a mail gateway you can proxy your mail through that manages blacklists and reputation.
Put proxmox on the computer and from there you can deploy a bunch of oses