Your client has the following requirements for electronic delivery of purchasing documents to indirect spend vendors: 1. No third-party software should be needed; the built-in Oracle functionality…

Your client has the following requirements for electronic delivery of purchasing documents to indirect spend vendors: 1. No third-party software should be needed; the built-in Oracle functionality should be used. 2. No special supplier set up should be required; the supplier should need minimal resources to participate. 3. No requirement for audit trail or confirmation. The best method within standard functionality is _____.