On Tue, Mar 3, 2009 at 23:47, Roland Olbricht <roland.olbricht at gmx.de> wrote: > And what to users who do not log in with a browser? Send them email. If they don't respond in some time (few weeks?) by visiting their account, deny them access to uploading new data. That will make them look in their acount and try to figure out what is wrong. Martin