Certain Supplier's POs are likely to contain sensitive information - Fusion possible solutions ?

Summary: For Certain Suppliers, their POs are likely to contain sensitive information (PII data). Currently in our R12 solution we intercept the emails that contain these and encrypt the POs. In Fusion the emails to the suppliers will come from the Oracle cloud email server - we need a solution so that the PII data is kept secure

Content (required):For Certain Suppliers, their POs are likely to contain sensitive information (PII data). Currently in our R12 solution we intercept the emails that contain these and encrypt the POs. In Fusion the emails to the suppliers will come from the Oracle cloud email server - we need a solution so that the PII data is kept secure