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Sun™ ONE Messaging Server: Practices and Techniques for Enterprise Customers by Dave Pickens

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Supported Standards

The Internet RFC 2086, IMAP4 ACL Extension,

http://www.ietf.org/rfc/rfc2086.txt?number=2086,

is the standard that defines the access control lists (ACLs) used in the IMAP4 protocol. The Message Server has supported RFC2086 since version 5.0.

RFC2086 describes the ACL as a set of identifier and rights pairs. For our purposes, the user ID for the IMAP user is the identifier.

The standard rights defined are:

  • l - lookup (mailbox is visible to LIST and LSUB commands)

  • r - read (SELECT the mailbox, perform CHECK, FETCH, PARTIAL, SEARCH, COPY from mailbox)

  • s - keep seen/unseen information across sessions (STORE SEEN flag)

  • w - write (STORE flags other than SEEN and DELETED)

  • i - insert (perform DELETED, COPY into mailbox)

  • p - post ...

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