Copying all photos from wordpress to 3rd party server?

Question

CMS

I am making a system of sites on wordpress for several people, each of them, when filling and maintaining the site, will upload pictures to the site, it is necessary that the pictures uploaded on all sites are simultaneously copied to a third-party server or, for example, to a Dropbox account.
How can this be implemented?

Answer 1

Perhaps these or these plugins that work with Dropbox will be useful to you.

Answer 2

habrahabr.ru/post/111202/
At the end of the link to the Dropbox PHP API

Answer 3

Dropbox backup plugin, install it and everything else will be in dropbox