General email server? No, I would be worried too. But I think you can set up an email server for your own tasks, like sending yourself some notifications. It's

General email server? No, I would be worried too. But I think you can set up an email server for your own tasks, like sending yourself some notifications. It's also nice to know how this works in theory. These are the reasons I included some basic e-mail setup in my book (Deployment from Scratch), although also advising to depend on some reputable IP addresses.