Email to a single override email in test instances

Summary:

Email to a single override email in test instances  (Testing email to Vendors)

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Hi,

Is there a way to setup a single override email in test instances so that all emails go to a single id rather than real Vendor email ids. in EBS we have a way to setup override address. Does cloud provide similar functionality? By email I mean, all emailing a PO PDF. We can turn on the whole cloud email functionality but we can run the risk of emailing test data to various customers or vendors whose real email id we have in our test instance. Please share your comments.