How To Send Dropbox Files And Folders As Gmail Attachments
Gmail can include files and folders from Dropbox directly as attachments. These can then be sent directly through email messages.
Here is how:
Login to Gmail and click the add-ons icon + from the sidebar.
Then from the available list of add-ons for Gmail, choose Dropbox. This is the official Dropbox add-on for Gmail.
Click INSTALL.
Once the add-on is installed, choose DONE....