Password Retrieval

Hello! I have not played WoW in a very long time. Recently I tried logging my good old account in which I have a few decently geared characters, but it said "the information entered is not valid". After a bit of research I found out that there has been a "password reset" of some sort, and that my new password can be found on the e-mail used to create that account. My problem is that I've forgotten the e-mail I've used. Could you help me in any way? I have information about the characters and will provide whatever it is you need in order to retrieve my account. Thank you in advance!

send an email to [email protected]

Thank you!