You can configure the "send email" node for availing the features of an email. You need to set up the preceding node to have an output pin that has the errors and then hook up the errors pin to the send email node.
Document on how to Configure Send Email :
You can find the document by going to Analyze help section,
Click on Node Help-->Output Connectors-->Send Email
Please find the attached dataset and the LNA we have used to create the example.
However, you can also set up a clock between the composite node and the send email node.