Test mode. When this parameter is used, NetMailBot connects to the mail server and addresses your message(s) but does not actually send the message(s).
This is useful to ensure that all of the parameters you are using are correct. It can also alert you to possibly bad/invalid email addresses.
Other Parameters Required:
Example (cut-and-paste right into your batch file):
NetMailBot -test -to firstname.lastname@example.org -from email@example.com -server mail.domain.com -subject "test"