text: According to sbb.ch (http://www.sbb.ch/en/station-services/am-bahnhof/dhl-service-point/automatic-ticket-machine.html):
  -Reka cheques and Reka Card
  -Maestro (ec-direct)
  -PostFinance Card
  -M-Card
  -Credit cards (Mastercard, Visa, American Express, myOne, Diners and JCB)
  -SBB Gift Card