Log in: Then at the bottom of the Account home page you will see "My Recently Sent Cards"
This will display a list of all sent cards.( Cards waiting to be sent at a future date are found in the area "unsent cards"). In this list you will find the card you are looking for. There are three icons next to the card in question. The third card is a trash symbol. Click there to stop the delivery. You may also, delete the card prohibiting the recipient's ability to view the sent card by clicking the "Delete" symbol. This is recommended.
If you wish to edit the message you wrote with the card you will have to cancel the card and reset it with new message.
