I just recently got a new MAC laptop and forgot to update my email address on my old account to find out my password...my old account is ~RaeLiMa (https://www.deviantart.com/raelima)
EDIT
So, for the longest time on my laptop my old deviant art account was always logged in. But, since I have gotten my new Mac Book Pro for my studies at University, I completely forgot my old details.
So I tried to send myself an email through deviant art to recover my password, however, it was registered for my old email address which I have no longer got access to. So then I tried to change my email address, on the other laptop of course, to try and get the password sent to my new ema