Updates the label on an inbound address. The address itself is fixed and cannot be changed. Your own label for this address, typically the source mailbox it maps to. Send `null` to clear it; omit the field to leave it unchanged. 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.