I am evaluating Zoho for my company and during the initial setup, I've done a mistake. I've set the email account id to nikolett.dk@norcaart.com. Please note that during my domain setup, I wasn't able to go back in the process and change that.

After the setup was done, I navigated to Zoho Accounts, registered a new primary email ( kataik@norcaart.com) and tried to delete nikolett.dk@norcaart.com, which has became secondary. Unfortunately I get an error message:

Please contact your Organization administrator kataik@norcaart.com, to delete your email address.

I thought I should go to the Control Panel at mailadmin.zoho.com and try to change it there. Unfortunately my mailbox address is still set to nikolett.dk@norcaart.com

and to verify this, the list of mail accounts only shows nikolett.dk@norcaart.com, kataik@norcaart.com can't be found.

and the same goes for my mail settings:

Could you please point me the right direction?

Thanks