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- On Fri, 2 Jul 1993, RL Bob Morgan wrote:
-
- > 1. These mailboxes are read-only to everyone, so I can't keep any of my
- > state info about them (eg messages read). (Thinking about shared
- > mailboxes, it seems like both shared-state and state-per-reader are
- > useful.)
-
- Yes! In addition to the shared-(global)-state case we need to define the
- mail-equivalent of a .newsrc (only better, as we need more than a single
- flag) so that there can be per-user "views" of a read-only archive.
-
- I've come to think in terms of the following kinds of messge folders:
- Private folder/private state <-- normal personal mailbox
- Shared folder/shared state <-- needed for group transaction processing
- Shared folder/per-user state <-- exists (barely) for news
- Shared folder/no state <-- exists for both news and mail
-
- By the way, Tenex-format folders are well-suited to the shared-folder/
- shared-state case, since the flags field is fixed length, and can
- therefore be updated in place. MRC's IMAPd just needs to be a little
- more aggressive about propagating state changes to the client, and the
- clients have to watch for state changes they didn't cause...
-
- I really agree that both forms of concurrent access to a folder will
- prove to be important.
-
- -teg
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