Although Resello is only a supplier of Webland, we are not responsible regarding the issues you experience, but we will do everything to help you further.
If you like to transfer your domain name to another provider we can provide the authorization key. To receive this key we must validate you as the legal domain name owner.
For the validation we need a copy of your passport and a copy of your Webland invoice.
We could run some secondary validations to ensure you are the legal owner.