Hello, thank you for reaching out!
A valid and verifiable email address is required when creating a Sinch account on the Sinch Customer Dashboard. If you are encountering this error after providing a valid email address, contacting Sinch Support is likely the best course of action. The article linked in the previous sentence provides comprehensive instructions on how to create a ticket.
If you'd like to provide more context for your issue, or if you have any questions, feel free to either send a direct message or add a response to this post.
Thank you!
Sam Williams, Sinch Documentation Engineer
