Originally posted by MIODudeHm, I tried it, and it seemed to have worked - the updated details came from TFC (which I use now), not RHP (which I used to register). But I just got two move reminders, and they came from RHP. Not that it really matters for me.
Actually, no need to change your email address then back.. just click UPDATE on the My Settings - Personal Details from the site you want to receive the emails from