Welcome to the April edition of What’s new in Teams – the monthly post where we’re keeping you updated on all the new features and innovation that we have made available in Microsoft Teams.
This ...
This is still not preventing others to forward the invite to others, and let that person came in without organizer's control. Neither the direct invites from the meeting are blocked, and those joiners are joining even without the lobby.
Also you have this feature enabled on such a meeting:
So I'm not sure what was the clue on this?
Don't you believe that the correct behavior should be: only the organizer (or later co-organizer role) should have the control whom are able to join to the meeting from the lobby if the option "People I invite*" is selected. And attendees should not be able to invite others?
On your instructions you are asking to select "Do not allow forwarding..", but that is still not blocking copying the URL and forward that to others. And again same person (not organizer) can let others join from the lobby. If you compare the regular email encrypt option, that is blocking also the copying: