Usar la aplicación APKPure
Obtener WebSMS: GMX Connector versión histórica en Android
Enviar TXT través GMX.
Send TXT via GMX.
Fetch WebSMS from market to make this connector work.
Please post issues on apps's website.
** GMX is very unrliable. Sometimes SMS need some hours to arrive. Sometimes GMX Service is down for weeks. DO NOT blame the app/connector. **