If you work in IT or similar these concepts may become important, and that makes the effort worth it to me. Otherwise, I agree with the other commenters.

Here's an entertaining lecture that summarizes how terrible modern email is.

Windows has more overhead, is more expensive, is less interesting/fun IMO, has poor data parity features, and has less of the homelab community’s attention than any purpose built Linux based home-lab OS. But it will definitely do the job with minimum effort from you.