Alternatively you could get the user to validate ownership of a domain, i.e. if you want to run jobs at http://foo.com/something http://foo.com/something, tell

Alternatively you could get the user to validate ownership of a domain, i.e. if you want to run jobs at http://foo.com/something http://foo.com/something, tell them to create http://foo.com/cronio.txt http://foo.com/cronio.txt with specific contents. Google does something like this: http://support.google.com/a/bin/answer.py?hl=en&answer=60216 http://support.google.com/a/bin/answer.py?hl=en&answer=6... -- their alternatives also include changing DNS to add a dummy TXT record.