i didnt remember which mail i was use

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i create this account like 11 12 years ago and i couldn't remember when i think which mail i was used. how can i find it
 

[MOD]ShadowRo

Account info are not recoverable.
Send a support ticket : 
1. If you have access to game account -> account administration -> select change email
2. If you don't have access to game account -> account administration -> account recovery

https://support.z8games.com/us/index.php?/Knowledgebase/Article/View/181/33

If you are able to provide enough correct required info then support will ask for a new email.

There is no other way.