Email I registered game account with

This is silly, but I cannot remember which email i registered my game account with (I used a non main one as i wasn't sure if i'd be staying here) but I love the server so i was hoping there was a way to change the game account's registered email address. I didn't receive an email in any of my accounts since there is no activation required.
The terms of use thread says to PM a forum mod if you forgot password, but i remember the password, and also my forum account cannot PM yet
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If I can't change the game account's email address, that is fine I am just curious which one i used in case i need to recover.
If any admin can handle this (if possible) I would much appreciate it! My forum account is the address i want the game associated with (if you can see this).
One more question: Where can i donate as I think i might since i stopped subbing blizzard a while ago.
The terms of use thread says to PM a forum mod if you forgot password, but i remember the password, and also my forum account cannot PM yet

If I can't change the game account's email address, that is fine I am just curious which one i used in case i need to recover.
If any admin can handle this (if possible) I would much appreciate it! My forum account is the address i want the game associated with (if you can see this).
One more question: Where can i donate as I think i might since i stopped subbing blizzard a while ago.