As for this: "I need an email to be auto sent to that user as confirmation."
If the contact email is being sent to your Exchange account, you'd need a rule set up there to auto reply the confirmation to the address the submitter used.
As for this: "I need an email to be auto sent to that user as confirmation."
If the contact email is being sent to your Exchange account, you'd need a rule set up there to auto reply the confirmation to the address the submitter used.