message

type Body struct {
	Content     []byte
	ContentType string
	Headers     []*message_header.Header
	Parts       []*Body
	Subtype     string
}

type Message struct {
	From    *mail.Address
	To      []*mail.Address
	Cc      []*mail.Address
	Bcc     []*mail.Address
	Subject string
	Body    *Body
	ReplyTo []*mail.Address
	Domain  string
	Headers []*message_header.Header
	// Date is when the message is dated, in its own zone; the time it is written, if zero.
	Date time.Time
}