don't fail when .env don't exists

utils/dotenv.go

@@ -18,7 +18,7 @@ func loadEnv(){
 	log.Print("Loading .env file...")
 	err := godotenv.Load()
 	if err != nil {
-		log.Fatal("error loading .env file")
+		log.Print("error loading .env file")
 	}
 
 	Domain = Env("SMTP_DOMAIN")