When I send an email to the an email address in Google Groups, I get the following error from
Mail Delivery Subsystem firstname.lastname@example.org
We're writing to let you know that the group you tried to contact (***) may not exist, or you may not have permission to post messages to the group. A few more details on why you weren't able to post:
- You might have spelled or formatted the group name incorrectly.
- The owner of the group may have removed this group.
- You may need to join the group before receiving permission to post.
- This group may not be open to posting.
If you have questions related to this or any other Google Group, visit the Help Center at https://support.google.com/a/thisdot.co/bin/topic.py?topic=25838.
The address is setup to forward to group members immediately, but it doesn't seem to be getting through in the first place.