The remote SMTP host that the message will be sent through. This is typically an SMTP server located at your local ISP or it could be an internal SMTP server on your companies premises.
Specifies the SMTP port number. 25 by default
Used for SMTP authentication together with Password. Use the Username/Password properties if your SMTP server requires a mail client to supply authentication parameters.
See comments to the property Server LogIn
The method to use to send messages. This depend on your server settings
Set the dynamic value for the field