---
page_type: error
code: 30753
message: "30753: Brand Registration Failure: Unsupported email address"
level: ERROR
product: Programmable Messaging
---

## Description

You have used an unsupported email address for brand registration

### Possible Causes

You have used an unsupported email address for brand registration

### Possible Solutions

Please use a valid and supported email address.

Additional help resources

- \[Troubleshooting US A2P Brand registration failures]