An Education instructor wants to collaborate with teachers in the field. She has a Google site that is shared with other MRU education instructors as well as various non-MRU employees (teachers).
To make a discussion board, a Google group discussion board is in bedded.
For it to work, the same members needed to be added to the Google group. The tricky thing is that the Google group by default does not allow non-institutional (MRU) people in it. To let them in go into the group, manage (upper right), basic permissions (left half-way down), basic permissions. In the "Join the group" section you will see the ability to "Allow new users not in mtroyal.ca", then save.
Then add non-MRU people.
Only after they have accepted the invitation can they post.