Cash and debit card are the only acceptable methods of payment (you can't pay with a credit card). Need more details on postal money orders?A money order issued in Canada may be cashed at any post office in Canada (without charge). Money orders are a safe form of payment that can be used as an alternative to a check or cash. These paper documents offer guaranteed funds. How to Fill Out A Money Order. Money orders should be made payable to "CCDC Inmate Trust Account. You can cash your postal Money Order at any Canada Post office. You can also cash or deposit your Money Order at your bank. You can do it with a United States postal service Money order.