Here's an example of the email that external users will receive
Click the External Share button in the left menu (APPS) to see all links that have been created in the Space
Administrators will find here global settings and space settings.
If you forget to add an option to a link, want to change the password or update the expiration date just go back and edit the link. You don't need to create a new link, the existing link can be edited and updated as many times as you need!
The shared page displays text, tables, images, and most Confluence macros.
If you have enabled the permissions to add comments and attachments, anyone with the link can add them.