Enter the email of the sender.
Select this option to use the email from the form. For this to work, one of the text field of the form must be email. However, some hosting providers do not allow using free email address on the "From email" field. You may need to uncheck this option and enter an email address that is acceptable for your hosting provider.
Enter the email of the receiver.
Enter the subject of this email.
Set the number of characters of each line.