When clicking a video in an email, it goes to a "content not found" page.
Video posts from email only programs cannot be viewed in web. Clicking the video on an email takes them to a “content not found” page.
There is no known resolution at this time. As a workaround, host the video on another platform and use a link block to link to the video externally.
Please check the current status of this issue on the Known Issues Tracker. (Issue ID: CSUP-384)