A lemmy.world user can make posts on lemmy.ml and vice versa. You don't need to be a member of the one you post to, but you need to be a member of any one of the federated instances. You can even start your own instance and be the only member on it if you like.
A lemmy.world user can make posts on lemmy.ml and vice versa. You don't need to be a member of the one you post to, but you need to be a member of any one of the federated instances. You can even start your own instance and be the only member on it if you like.