Sparrow email client on OSX has this feature too: https://sparrowmail.tenderapp.com/kb/starting-with-sparrow/dropbox-in-sparrow https://sparrowmail.tenderapp.co

Sparrow email client on OSX has this feature too: https://sparrowmail.tenderapp.com/kb/starting-with-sparrow/dropbox-in-sparrow https://sparrowmail.tenderapp.com/kb/starting-with-sparrow/d... Though in addition to mailing stuff to yourself, you can archive other attachments in DB as well. Incidentally, never considered to be very useful because kind of a backwards way to share files.