,
The only way to recover your old account is through the Account Recovery Tool:
https://forums.d2jsp.org/recovery.php.
Before attempting it, please read the Account Recovery Guide carefully:
https://forums.d2jsp.org/topic.php?t=85837681.
When attempting the recovery, try to provide as much and as accurate information as possible. Please note that each submission is manually reviewed and might take some time.
If approved, the email on your account will be switched to the address provided in the "What is a current working email address where you can be reached?" field.
Good luck, and hope this helps!