notifier

type Email struct {
	From    string
	To      []string
	Subject string
	Body    string

	Server   string
	Port     int
	User     string
	Password string
}

type Message struct {
	Nanny      string        // Nanny's name
	Program    string        // Program's name
	NextSignal time.Duration // How long have we not heard from program.
	Meta       map[string]string
}

type Notifier interface {
	Notify(Message) error
	String() string
}

type StdErr struct{}