Save instead of send email for testing

• MSDN: Element (Network Settings)
• Configuring SmtpClient to drop emails in a folder on disk

  <system.net>
    <mailSettings>
      <smtp deliveryMethod="SpecifiedPickupDirectory">
        <specifiedPickupDirectory pickupDirectoryLocation="c:\Temp\mail\"/>
      </smtp>
    </mailSettings>
  </system.net>