It also means that you can move to another provider without having to change your address. I generally recommend having your own domain. It means you can get

It also means that you can move to another provider without having to change your address. I generally recommend having your own domain. It means you can get you own name (and partners/kids can get their own name too) as the local part, otherwise you're fighting for a good localpart name against every other Fastmail customer!