SQL Server Integration Services
A Microsoft platform for building enterprise-level data integration and data transformations solutions.
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How to send email notification when the package fail to run？
If you want to trigger your mail task when any error occurs, consider the "Event Handlers".
This SimpleTask article provides a very good overview of the event handlers https://www.red-gate.com/simple-talk/sql/ssis/ssis-event-handlers-basics/
You may also refer to: Integration Services (SSIS) Event Handlers
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