1. A method for effectuating an electronic payment between a payor and a payee using an Electronic Funds Transfer (EFT) network, the payor having a payor account at a payor institution and the payee having a payee account at a payee institution, the method comprising the steps of: generating a payment authorization identifying the payee institution, the payee account and an amount of the payment; transmitting the payment authorization to the payor institution; debiting the payor account by the amount of the payment; transmitting from the payor institution to the payee institution through the EFT network an EFT credit message representing a credit in the amount of the payment; and crediting the payee account in the amount of the payment in response to the receipt of the EFT credit message.