title: Sending mail or SMS after the query has been executed
body: <p>Currently I am dealing with a large dataset and some queries are executing several hours. In the meantime I am doing other things. In order to use time efficiently I have been thinking about implementing the logic to send email or SMS message after the query is complete so I can analyze the data.</p>
  
  <p>I know how to do it by writing custom application but wouldn't like to reinvent the wheel if any similar solution already exists. Does anyone of you know if there already exists any notification system that could be used for this purpose?</p>
  
  <p>Thank you</p>