email

type Attachment struct {
	// Content embeds the attachment data. The value must be base64-encoded.
	Content `json:"content"`

	// Filename is the name of the file to show with the attachment.
	Filename string `json:"filename"`

	// Disposition specifies how the attachment is included in the email.
	// A value may be either "inline" or "attachment"; the default, if this field
	// is left blank, is "attachment".
	Disposition string `json:"disposition"`
}

type Content struct {
	// Type is the mime type of the content (for example, "text/plain").
	Type string `json:"type"`

	// Value is the content data.
	Value string `json:"value"`
}

type Copies struct {
	CC  []Party `json:"cc"`
	BCC []Party `json:"bcc"`
}

type Email struct {
	To       Party     `json:"to"`
	From     Party     `json:"from"`
	ReplyTo  Party     `json:"reply_to"`
	Subject  string    `json:"subject"`
	Contents []Content `json:"contents"`
}

type Party struct {
	Name    string `json:"name"`
	Address string `json:"address"`
}

type Sender interface {
	Send(*Email) error
	SendMulti([]Email) error
}