Yes you can .
- First you need to go to the "guest_multi" form under Home » Configuration » Pages » Forms & Views and add the "auto_send_smtp" field
- Then if you want to create a new custom email template you need to go under Home » Configuration » Receipts » Templates and duplicate the GuestManager receipt template and use that one to add any information you would like to send to your guest users.
- Then edit your Guest Page and under Receipt Actions change the Email delivery to the new Template you just created.
- Go to Home » Guest » Manage Multiple Accounts select the accounts you would like to send the emal to and click Edit and the option to send auto send an email should be there , once you click save the email will be send