The fact you are asking scares me a little. If you are seriously thinking about this, please don’t - you will very likely become an open relay, which is bad for everyone. It won’t even help with your privacy concerns. Seriously. Running a mail server is a full time job.
I use Firefox for most things, but Google Meet maxes out all my CPUs if I use Firefox. Any kind of screen sharing kills it. Suggestions on how I can get video encoding working greatly appreciated… Intel Xe graphics.
Hosting email is hard. Getting your reputation up to a point where emails will even be delivered is challenging, and then you have to worry about the absolute non-stop attacks on your server. Patch, patch, patch…
Sounds like she failed successfully!
I mean… your email client can already do that, so I’m not sure what the point would be.