>From FAQ: What can I do if I don't want to use Dropbox.com?
(setq org-mobile-directory "/scpc:user@@remote.host:org/webdav/") Having the '@@' caused the username to be 'user@' so I could not log in, removing one of the @'s solved the problem. Best wishes, Enda P.S. Can TRAMP use WebDAV?
