In Universal Email 4, you do not need to manually edit the code for this.
In the server behaviors list, double click the Universal Email server behavior.
Make sure that the from address is using a valid email address for your domain. If you want to reply to the person filling out the form, You can click the from button to access advanced settings for the from address and use the Dynamic email address form element for the from address.
Next, click the Envelope icon to set SMTP server settings. For GoDaddy make sure to set the SMTP server address as smtpout.secureserver.net, you may need to set the port to use port 80 and select the "Include From Address as an additional parameter" Option.