Can modified by column be configured?

I've created a sheet and a form for submitting progress updates.
When using the form, the modified by column captures "web-form@smartsheet.com" as the ID. Is there any way to change this so that it shows submitter's email instead? All submitters will be internal team members with active licenses.
Answers
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Hello,
The system columns can't be modified.
What you can do is to force users to to login first to smartsheet to fill the form (it's in the settings of the form) so in that case you can see the email address.
If you want to avoid that you will need to request to provide email as one of the form fields. There is no other way.
Hope this helps.
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That only appears to work if you log into the web app interface, not the desktop app I just tested it. But at least it gets me partway there. Thank you.