What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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You are mentioning attachment, which would not be possible to do, but you could set the email body to be created in XML format itself - both email notifications and email autresponders.
Now as you have mentioned attachment, are you looking to send some XML file, with the answers as the attachment?
If you can give us any other details, we might be able to suggest an alternative, if the email option is not what could work for you.