Do you offer WebDAV, Email Attachments, or FTP support?
WebDAV, email attachments, and FTP access is not on the current feature roadmap, and likely won't be for the foreseeable future.
No hard feelings. This isn't a "no it'll never happen." But we're currently working hard delivering other, equally exciting features.
Among the thousands of Dropbox-enabled third-party apps available online, many may add some of this functionality for you. If you're a developer, you might even be able to add this functionality yourself. Visit our developers site for more information.