Is it anything like multi-threaded xz – in that you’re trading encoding speed for size?

I pay $6USD/month for a cloud box that’s encrypted and has been running for years, no outages, no downtime.

For a large organization? Sure. For your family and friends? No.

There are lots of tutorials, and choosing a security-first OS is also wise… OpenBSD is my current favourite.

Honestly, building a mail server isn’t that hard if you aren’t afraid of the command line.