Hi,
submit can be done from InfoPath without requiring full trust,
save will require user to click on File -> Save,
Finaly result is the same that the xml is saved to the form library
The reason why its not submitting for you should be that your form library location in the Sharepoint submit data connection may be incorrect, verify it ones,
Thanks.
K.Ramana Reddy
K.Ramana Reddy / http://www.ggktech.comIndia.