“my own domain”
Which is a touch more solid (I use in in that way) but still an ephemeral rented thing, not owned.
Which is a touch more solid (I use in in that way) but still an ephemeral rented thing, not owned.
Ultimately, you're going to depend on other parties behaving in a common interest, whether that's your email provider, your ISP, your registrar, anyone accepting your ip address announcements...