Hello, we'd like to implement a system which sends out email alerts based on certain changes in the database - for instance, if the revenue for a certain store drops below 50% of the 30-day average, we'd like to automatically generate an alert to the relevant decision makers, so they can check what's going on. (Fictional example, we don't have stores) Does JasperServer (or any other related tool) provide any functionality which could accomplish this? If not, is there any open-source solution which would be suitable? Ideally we'd like a user-friendly frontend to define the criteria and design the alert mails. Thanks. Max