Hi @jawilson2, Mattermost team here. Sorry to hear you're having issues, it sounds like websockets haven't been fully installed on your Mattermost instance.
a) When you hit "Refresh" on your browser, do new messages appear?
b) Do you ever get blue bar message reading "Please check connection, Mattermost unreachable. If issue persists, ask administrator to check WebSocket port."?
If so for either of these, here's a solution you can send to your IT Admin: https://docs.mattermost.com/install/troubleshooting.html#ple...