Method send

tools/mailer/sendmail.go:43–82

(m *Message)

}

func (c *Sendmail) send(m *Message) error {
	toAddresses := addressesToStrings(m.To, false)

	headers := make(http.Header)
	headers.Set("Subject", mime.QEncoding.Encode("utf-8", m.Subject))
	headers.Set("From", m.From.String())
	headers.Set("Content-Type", "text/html; charset=UTF-8")
	headers.Set("To", strings.Join(toAddresses, ","))

	cmdPath, err := findSendmailPath()
	if err != nil {
		return err
	}

	var buffer bytes.Buffer

	// write
	// ---
	if err := headers.Write(&buffer); err != nil {
		return err
	}
	if _, err := buffer.Write([]byte("\r\n")); err != nil {
		return err
	}
	if m.HTML != "" {
		if _, err := buffer.Write([]byte(m.HTML)); err != nil {
			return err
		}
	} else {
		if _, err := buffer.Write([]byte(m.Text)); err != nil {
			return err
		}
	}
	// ---

	sendmail := exec.Command(cmdPath, strings.Join(toAddresses, ","))
	sendmail.Stdin = &buffer

	return sendmail.Run()
}

func findSendmailPath() (string, error) {
	options := []string{