mirror of https://git.code.sf.net/p/isync/isync
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84 lines
3.6 KiB
84 lines
3.6 KiB
find out why mutt's message size calc is confused. |
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f{,data}sync() usage could be optimized by batching the calls. |
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add some marker about message being already [remotely] trashed. |
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real transactions would be certainly not particularly useful ... |
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make sync_chans() aware of servers, so a bad server (e.g., wrong password) |
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won't cause the same error message for every attached store. |
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add support for more authentication methods: oauth, ntlm, ... use SASL? |
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possibly by calling an external command. that might be overkill, and |
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wouldn't be very user-friendly, though. |
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make SSL (connect) timeouts produce a bit more than "Unidentified socket error". |
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network timeout handling in general would be a good idea. |
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lock timeout handling, too. |
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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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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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unify maildir locking between the two UID storage schemes. |
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re-opening the db may be expensive, so keep it open. |
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but keeping lock for too long (e.g., big message downloads) may block other |
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clients. auto-release lock after 500 ms? |
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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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actually means empty, so the IMAP mailbox should use INBOX for Path (can't |
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make that the default, as it would mess up the NAMESPACE). |
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add regexp-based mailbox path rewriting to the drivers. user would provide |
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expressions for both directions. every transformation would be immediately |
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verified with the inverse transform. PathDelimiter and Flatten would become |
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special cases of this. |
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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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imap_set_flags(): group commands for efficiency, don't call back until |
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imap_commit(). |
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add streaming from fetching to storing. |
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handle custom flags (keywords). |
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make use of IMAP CONDSTORE extension (rfc4551; CHANGEDSINCE FETCH Modifier); |
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make use of IMAP QRESYNC extension (rfc5162) to avoid SEARCH to find vanished |
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messages. |
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use MULTIAPPEND and FETCH with multiple messages. |
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create dummies describing MIME structure of messages bigger than MaxSize. |
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flagging the dummy would fetch the real message. possibly remove --renew. |
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note that all interaction needs to happen on the slave side probably. |
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propagate folder deletions. for safety, the target must be empty. |
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don't SELECT boxes unless really needed; in particular not for appending, |
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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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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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expunge done by mbsync, let MUAs do the trashing (as modern ones typically do). |
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mbsync wouldn't do any trashing by itself, but should track the moves for |
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optimization. additionally, there should be a mode to move trashed messages to |
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the remote store. TrashMode Internal|External, AbsorbRemoteTrash. |
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a yet different approach to trashing is treating the trash like a normal mailbox. |
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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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