Comment 8 for bug 1006345

> one possibility is to add a flag to the POST variables for
> /members. the semantics would be that *if* the email
> address is brand new, it should get a confirmation msg.
> that would have to be plumbed through, but i think that's
> fine.

would it be more appropriate to provide IRegistrar.register through the REST api instead of adding a flag to subscribe and implement register in mailman.client as well?