Returns a single inbound address: the Bird-minted `address` you forward a mailbox to, and the `label` you gave it. Use [List inbound addresses](/docs/api/reference/list-inbound-addresses) to find IDs. A deleted or unknown address returns `404`. Inbound address ID. The address to forward your mailbox to. Minted by Bird when the inbound address is created. Your own label for this address, typically the source mailbox it maps to. Null when unset. When the inbound address was created. When the inbound address was last updated.