You can send postcards to all of your customers by following these steps:
Click 'My Apps' along the top of your screen, then select 'Postcards.'
Then click on the '+ Postcard Campaign' button.
Select 'Ongoing Campaign.'
Then follow the steps below:
1- Select or upload an image for the front
2- Enter your personalized message on the back of the card
3- Name your campaign, then set the rules for when you want the card sent and customer options if applicable. Then click Preview.
4- Review the front and back of your card to make sure it is correct. Click start and you're ready to go!