Upsource users will probably want to be notified of different events going on in Upsource such as creating and closing reviews, assigning reviewers and creating new comments.
Here’s what you should do in order to configure Upsource to send out e-mail notifications:
Click the settings icon on the top right of the screen. The Administration view will open.
Click Mail and licensing settings. You’ll be redirected to the Settings form.
Follow the instructions to fill out the form and configure SMTP connection.