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49.4.2. Applications for Multi-Category Security

Beyond access control, MCS could be used to display the MCS categories at the top and bottom of printed pages. This may also include a cover sheet to indicate document handling procedures. It should also be possible to integrate MCS with future developments in SELinux, such as Security Enhanced X. Integration with a directory server will also make MCS support for email easier. This could involve users manually labeling outgoing emails or by attaching suitably labeled files. The email client can then determine whether the recipients are known to be cleared to access the categories associated with the emails.