Send to Kindle by E-mail Send documents to your Kindle as an email attachment You and your approved contacts can send documents to your registered Kindle devices, free Kindle reading applications, and your Kindle Library in the Amazon Cloud by e-mailing them to your Send-to-Kindle e-mail address ([name]@kindle.com). Your Send-to-Kindle e-mail address is a unique e-mail address assigned to each of your Kindle devices and free Kindle reading applications upon registration.