For Zen Cart 1.3.7+ Recover Cart Sales Tool is an admin utility for Zen Cart allowing merchants to send individual or bulk email messages to customers whom have set up a shop account and added items to their shopping cart, but for various reasons did not complete submitting an order (this is known as an 'abandoned cart').
The tool also generates a report listing the "possible" response to your email, informing you if customer followed up with a purchase from your shop. The email sent to these customers may help educate your customers about your shop and at the same time assist merchant in identifying trends and individual reasons behind abandoned carts. Use this tool diligently. Compose your email message carefully. Don't burden your customers with undesirable repeat messages. The idea here is to "recover" sales and reduce abandoned carts, not lose customers.