When a group reaches 80% of its storage limit, Groups.io sends a warning notification to the group owner and to moderators who have opted to receive email notifications when the storage limit is reached.
You can configure your group to either bounce messages with attachments when the storage limit is reached or automatically delete old attachments to keep the group under the storage limit. See the Storage Limit Reached setting.
Note: Photos and files are never automatically deleted.
Other settings that you can use to help manage your group’s storage space are: