send email.go

type Mail struct {
	host     string
	port     string
	from     string
	password string
	username string
}

func (m *Mail) Send(toEmails []string, subject string, body string) error {
	address := fmt.Sprintf("%s:%s", m.host, m.port)
	message := []byte(subject + body)
	auth := smtp.PlainAuth("", m.username, m.password, m.host)
	err := smtp.SendMail(address, auth, m.from, toEmails, message)
	return err
}