In the former version of SF, seems like it used to be that you had to PM a request and possibly supply a slightly more than trivial reason. There was no function available in a member's account itself that could enable a change. On some boards elsewhere, you can initially start to remove / change your email address but then leave the process suspended (never supply the new addy*); and that hangs the old account as useless to where if you re-register under a new nym it usually wouldn't get you into trouble. (But again, that was a remedy at a few other forum sites that didn't even offer a request route for a change of handles -- NOT HERE necessarily.) EDIT: * Or confirm the new addy, if that was instead the case. Such as click a link in a confirmation email, etc.
