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@@ -2,8 +2,21 @@ f{,data}sync() usage could be optimized by batching the calls.
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make SSL (connect) timeouts produce a bit more than "Unidentified socket error".
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+automatically resume upon transient errors, e.g. "connection reset by peer"
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+or timeout after some data was already transmitted.
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+possibly also try to handle Exchange's "glitches" somehow.
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+
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+add support for IMAP UTF-7 (for internationalized mailbox names).
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+
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uidvalidity lock timeout handling would be a good idea.
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+should complain when multiple Channels match the same folders.
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+
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+propagate folder deletions even when the folders are non-empty.
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+- verify that "most" of the folders in the Channel are still there.
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+- refuse to delete unpropagated messages when trashing on the remote side.
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+- refuse to delete master if it has unpropagated messages. symmetry?
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+
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add message expiration based on arrival date (message date would be too
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unreliable). MaxAge; probably mutually exclusive to MaxMessages.
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@@ -11,6 +24,21 @@ add alternative treatments of expired messages. ExpiredMessageMode: Prune
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(delete messages like now), Keep (just don't sync) and Archive (move to
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separate folder - ArchiveSuffix, default .archive).
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+add support for event notification callbacks.
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+it would be also possible to report more differentiated exit codes, but
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+that seems too limiting in the general case.
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+
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+make it possible to have different mailbox names for Master and Slave in
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+Patterns.
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+- use master:slave for the pattern
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+ - for quoting, use more colons: the longest sequence of colons is the
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+ separator
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+- this makes Groups mostly useless, as they are mostly a workaround for this
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+ function being missing so far
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+- this is needed for move detection, which would work only within one Channel
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+
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+normalize INBOX capitalization received from IMAP, to avoid anomalies.
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+
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kill the concept of an INBOX, it is a relic from single-channel operation.
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if somebody needs it, he can have two stores with different Paths. the path
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can name a single (in-)box (curr. broken with maildir). an empty box name
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@@ -26,6 +54,7 @@ add daemon mode. primary goal: keep imap password in memory.
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also: idling mode.
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parallel fetching of multiple mailboxes.
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+TLS session resumption becomes interesting then as well.
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imap_set_flags(): group commands for efficiency, don't call back until
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imap_commit().
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@@ -49,6 +78,8 @@ and in write-only mode not before changes are made.
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problem: UIDVALIDITY change detection is delayed, significantly complicating
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matters.
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+some error messages are unhelpful in non-verbose mode due to missing context.
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+
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possibly use ^[[1m to highlight error messages.
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consider alternative approach to trashing: instead of the current trash-before-
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@@ -61,4 +92,4 @@ however, this implies a huge working set.
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consider optional use of messages-id (and X-GM-MSGID):
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- detection of message moves between folders
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-- recovery from unmotivated UIDVALIDITY change, or total loss of sync state
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+- recovery from loss of sync state, migration from other tools
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Oswald Buddenhagen