package mailer import ( "os" "path/filepath" "time" "gitserver.in/patialtech/rano/util/open" ) type transportDev struct{} func (transportDev) send(msg *message) error { dir := os.TempDir() id := time.Now().Format("20060102T150405999") file := filepath.Join(dir, id+".html") if err := os.WriteFile(file, []byte(msg.HtmlBody), 0440); err != nil { return err } return open.WithDefaultApp(file) }