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h1. Rationale and Context

A final user want to send its shifting summary to its manager of its human resource center.
The final user will invoke the service '{{ShiftingSummarySending}}' with its shifting summary as attachment. According to the final user, the service '{{ShiftingSummarySending}}' will determine the manager of the human resource center of the final user asking the user base. Next, an e-mail is sent to the manager of the human resource center. When the e-mail delivery will be confirmed, a sucess notification will be sent to the final user. Otherwise, if the e-mail delivery is not confirmed, a failure notification will be sent to the final user.

{tip}This use case is described for Petals Enterprise Edition 5.0.0{tip}

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h1. Solution

h2. Overview

We will use the Petals SE Activiti to implement the process defined below. A user task will be used in the process definition to get inform of the e-mail delivery.

To be inform of the e-mail delivery, we can use the SMTP option 'Delivery Status Notification (DSN)' (see [RFC 1891|ftp://ftp.informatik.uni-kiel.de/pub/internet/rfc/rfc-1800-1899/rfc1891.gz]). When the e-mail of delivery confirmation is received, the user task of the associated process instance will be terminated successfully, and the process execution will continue.