I created a form using Adobe 9 professional with an email submit button....The end user's have only adobe reader. This is the solution I found that worked for me an allowed users with just adobe reader to submit the entire PDF form.

Open form in Acrobat Professional > Go to Advanced > Click on 'Enable Usage Rights in Adobe Reader'

This will also give Adobe Reader users some more basic rights such as commenting apart from saving the form.

Thanks,
Steven