Login to Neartail > click on the form to open it > Edit page will be displayed > click Orders > In the Orders page, click on the order to view the details > check the Additional details section. Does it display the email address for the Email respondents / collaborators option? Please check and confirm. - By default, it will display the configure link that indicates that the emails have not been set up. - If the emails are configured and sent successfully, email addresses will be displayed. - Otherwise, it will display the error message or 📫 icon next to the email to indicate that the email was not delivered.

Don't work, InvalidParameterValue: Local address contains control or whitespace

This error indicates that the To email set up for the Email respondents or Email collaborators is not a valid email. Please check if you have entered a valid email address for the To option in the Email collaborators setup. Similarly, check if you have added an email response validation for the email field mapped as the To destination in the Email respondents setup.