two email

I had send two email to the PMO who is a Christian. Pray that Jesus will led him and guide him to implement the changes in the email.

I make a mistake for first time 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...