Far too few I’m afraid

And with the same ethics standards

I guess in places like deserts where you have tons of sunlight but hardly any water using photovoltaic to get water out of the air is probably feasable and cheaper than many alternatives.

There is Mailcow. But simple is relative I guess cause you still gotta configure a lot around it to not end up on every spamlist out there

If this is the thing I heard of a few days ago then google had multiple backups on different sites but they managed to delete all of them