Certain messages fall under the criteria set in more than one filter and hence are processed by multiple filters. If you select the 'Stop Processing Other Filters' option, only the filter that is topmost in the filter sequence processes the message ...
When you share an email or post with an organization member, click the Add/View Invitees icon. Click the close icon next to the relevant member. The respective member will not be allowed to access the post or email anymore.
The Chatlet option allows you to start a chat with the participants of any Streams post or email. To open a chat from a post, click on the Chat about this email icon displayed on top right corner of the post. Learn More.