How it works
You create a page
Like: fileToInbox.com/myPage
You send this link to your clients.
Your client uploads a file
All your client needs is a browser and she's ready to upload
Works on any device (PC / Mac / Smartphone / Tablet).
File appears in your Dropbox
Victory!
You get an email as soon as the upload completes with a link to the file in your Dropbox account.