func sendEmail(gun m.Mailgun, address string, msg string, htmlMsg string) { message := gun.NewMessage("David Pfahler <*****@*****.**>", "[Monitor]: Uni-Webseite hat sich geändert", msg, address) message.SetHtml(htmlMsg) response, id, _ := gun.Send(message) fmt.Printf("Response ID: %s\n", id) fmt.Printf("Message from server: %s\n", response) }