I live in the US but have family in Poland and Xoom used to work quickly, flawlessly and cheaply (for USD->PLN transfers), but the last few transfers have just

I live in the US but have family in Poland and Xoom used to work quickly, flawlessly and cheaply (for USD->PLN transfers), but the last few transfers have just never gone through. Had to send it via PayPal which is slower, more expensive, and has worse exchange rates.