Can you give us more details about what kind of list do you want to create? I mean, are you thinking in a email distribution list or something related to user list from Confluence.
If you want to get a user list from confluence, maybe the User List Macro can be useful for you:
In case you are thinking about a distribution list into your email server, you can create a dummy user with read-only access and give it the email address of the list.
Also, this answer has some more details:
I hope this helps.
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