Kpop Online Store review for SourcinBox‑Dropshipping Agent

I've been trying to reach SourceInbox for several months to reinstate my account, with no response to any of my messages. I have over $500 in account credit that I'm currently unable to withdraw. My situation is complicated by the fact that the email address I originally registered with is no longer active, so I can't log in through the normal process. I've asked for an alternative way to verify my identity and recover access, but haven't heard back. I'm not looking for anything unreasonable, just a way to verify I'm the account holder and either regain access or have my balance released. If someone from SourceInbox sees this, I'd genuinely appreciate a reply. I have messaged, emailed and called but no response at all from sourceinbox and pandaria.