Add Approved Senders On Kindle
Go to Amazon.com: Choose Your Account from Accounts & Lists then click on Your Devices & Content
From the Devices & Content menu, choose Manage Devices
Choose Personal Document Settings
Choose Approved Personal Document E-mail List and click on Add a New Approved E-mail Address
From the pop-up window, under Enter an Approved E-mail Address you can choose to enter in a domain so all attachments from that domain will be allowed. Here you can enter @gmail.com or @jenniferwoodhull.com to allow the sending of documents to your kindle device.