Ken Hornstein wrote:
- Messages in IMAP are immutable, so if you overwrite ~/mail/inbox/42, in
   theory you should get a new UID for that message.  But maybe our "internal"
   IMAP implementation wouldn't care.  I do wonder how UW-IMAP deals with
   that, since it claims to be able to serve up MH folders via IMAP

uw-imap rescans whenever anything that could change a UID occurs.

- The grammar for IMAP is well-defined and pretty compact; I believe you'd
   be able to minimize the client/server I/O.  I don't think a parser would
   be terrible for it.
- AFAICT, pick(1) is implementable completely via the "vanilla" IMAP
   protocol, but if I'm wrong I'd be interested in knowing about it.

i don't think IMAP is the right model for persistent MH.

P Vixie


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