def thank_user( from_email, to_email )
      subject = "Thank you for requesting an invite"
      mail(
          to: to_email,
          from: from_email,
          subject: subject
        )
    end
def thank_user( from_email, to_email )
      subject = "Thank you for requesting an invite"
      mail(
          to: to_email,
          from: from_email,
          subject: subject
        )
    end
Send an email to the user as a thank you
 TODO: Subject in locales