Communicating with your buyers
Google automatically sends an order confirmation email to buyers after they click Place your order now during the payment process.
Your buyer's email address will appear under 'Billing information' on the Order Details page. If the email address appears encoded, the buyer has elected use email forwarding.
Your buyer's phone number will appear under 'Shipping information' on the Order Details page.
Marketing to your buyers
During the purchase process, buyers can specify whether they would like to receive promotional email from merchants. You may send promotional email to any buyers who have opted in to receive marketing information from you.