Support not responding for 16 days – Can’t change my deleted email! What to do?

I have an issue: my old email, which was linked to my PoE account since the release of PoE 2, was deleted by the email provider due to inactivity. Now I can’t change it in the account settings.

The system says: "An email should be sent to your current address soon", but that address no longer exists, so I can't confirm the email change.

I contacted support (support@grindinggear.com) 16 days ago, but I haven’t received any response.

I still have access to my account through Steam, and I remember my password, but without changing the email, there’s still a security risk.

Has anyone dealt with this before? Are there any ways to speed up the process or reach support through a different channel? How long does it usually take to get a response? Any advice would be appreciated!