sender

type DummySender struct{}

type Message struct {
	Info            string // Message information for log purpose.
	FromAddress     string
	FromDisplayName string
	To              string // Use only one recipient to prevent leaking of addresses
	ReplyTo         string
	Subject         string
	Date            time.Time
	Body            string
	Headers         map[string][]string
}

type SMTPSender struct{}

type Sender interface {
	Send(from string, to []string, msg io.WriterTo) error
}

type SendmailSender struct{}