Originally Posted by jayeff

The system NATS have of confirming account changes via email works well, until you want to change the email address itself and you no longer have access to the old email address. Then the confirmation promptly drops into a black hole and your account stays as it is.

I'm not sure what satisfactory alternative there is, but it would be excellent if NATS could come up with something (security question maybe?). With more hope than expectation I just filled in another support form. If it goes ignored too, it will be the fifth in the past 7 or 10 days...