How do you setup the url_reponse probe to send an email out when it fails?
You don't. Emails are handled by the emailgtw that acts automatically on assignments or by the NAS through spesific auto-operator profiles.
You should take a look at the 'Advanced Training Video's' to familiarize yourself with the Nimsoft Alarm Server (NAS), this should give you a good understanding of what some of your options are:
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