two email am

I make a mistake and send personal details from one client to another. I am afraid. I do not know what to do. I can undo the two email. I am praying for miracle that the client will not understand, not open the email because I send the same info via viber but the correct one via viber. I am...

I make a mistake and send personal details from one client to another. I am afraid. I do not know what to do. I can undo the two email. I am praying for miracle that the client will not understand, not open the email because I send the same info via viber but the correct one via viber. I am...