E04009 — OnboardingRecipientNotAllowed
Sends from the shared onboarding domain can only go to verified members of your workspace. To send to any recipient, add and verify a custom sending domain.
- HTTP status: 422
- Type: validation_error
- Name: OnboardingRecipientNotAllowed
What to do
Add and verify a custom sending domain to send to any recipient, then retry.
Operations that resolve this:
Related
- E04xxx — Email sending & delivery: every code in this range
- Errors: the full wire contract, status mapping, and error catalog
- Error handling: branching on type and code, validation details, and vendor_code