To view 'Stream settings' for all modules:
1. Sign in to the Administration Control Panel.
2. Choose 'Plugins settings' from the 'Settings' menu, then, choose 'Stream settings' and you will find two options:
• Newsletter cycle period in days: This option allows you to choose the day for sending the newsletter.
• Newsletter max item per section in mail: You can choose the number of contents chosen from each section to be sent within the newsletter.
Please note that you can also access 'Streaming' by following the next picture: