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Additional recipients, to whom will the package be delivered, but will not be listed and visible as package recipients. Works similarly as a hidden/blind copy (BCC) in e-mails.
Contributors
If the user is allowed the cooperative packages feature, he can set contributors here who will also have the permission to modify the package (add, rename, or delete files). Contributors must have an account in the application and be logged in. Collaborating on a package cannot be done anonymously (without logging in).
Limited number of accesses
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