I have a Google Group set up as part of the Google Suite (basic account). When creating the Google Group, I set the "Join the Group" permission to "Anyone on the web".

How do people now join the group?

I tried pasting the standard join link in an incognito tab:


but it shows an error message such as:

Authorization Failed

This group is on a private domain.

1 Answer 1


If you must follow these instructions fully to both:

  1. Allow outside domain access.
  2. Allow anyone on the web to see the group in the directory.

If you omit #1, you'll see the "Authorization failed" error.

If you omit #2, you'll see an error:

You do not have permission to access this content. (#418)

Therefore, in order for people to join, the group must be publicly discoverable via the directory too.

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