This plugin enables you to backup your WordPress database and content to StorageMadeEasy which uses its cloud gateway to enable you to store your files directly on the storage clouds of your choice. These include Amazon S3, RackSpace Cloud Files, SkyDrive, DropBox, Gmail, Box.net, RackSpace Cloud Files, FTP & WebDAV. Contact us sales@storagemadeeasy.com about our professional option which includes the ability to encrypt the backup and to also schedule it.
Te puedes descargar este plugin para utilizarlo en tu instalación autoalojada de WordPress.