Cyrus IMAP documentation is a work in progress. The completion of this particular part of the documentation is pending the resolution of Task #51.
Combined, this provides powerful mechanisms to enable or restrict access to information contained within the Cyrus IMAP mailspool.
Discretionary Access Control¶
Cyrus IMAP employs discretionary access control, meaning that users themselves are in charge of what folders are shared, and with whom.
Two means exist to suppress sharing folders between users:
Revoke the a (administration) right on all mailboxes in the personal namespace for each user.
Preclude list command on user namespace. If set to ‘yes’, the LIST response will never include any other user’s mailbox. Admin users will always see all mailboxes. The default is ‘no’
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