Zoner Postcards - Send Real Postcards From Your Phone. Bring joy to your loved ones! Zoner Postcards are the easiest way to send real paper postcards straight from your phone. It's really easy: it's just three steps! 1, Snap a picture. 2, Add a message. 3, Give an address. That's all. We print out the postcard and deliver it to the recipient's mailbox.