# E05020 — InboundNotConfigured

Inbound mail receiving is not yet available for your account. Contact support to have it enabled.

- **HTTP status**: `501`
- **Type**: `not_implemented_error`
- **Name**: `InboundNotConfigured`

## What to do

Inbound receiving is provisioned for your account rather than toggled per request; contact support to have it enabled, then create the address.

## Related

- [E05xxx — Domains & DNS](/docs/api/errors/E05xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`