Mercurial > dovecot > core-2.2
annotate TODO @ 9159:6324a79d3ee1 HEAD
Initial commit for v2.0 master rewrite. Several features are still missing.
author | Timo Sirainen <tss@iki.fi> |
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date | Thu, 23 Apr 2009 19:53:44 -0400 |
parents | 21d4363a3cf7 |
children | 2e2b957f1cca |
rev | line source |
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9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
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1 - mail_max_userip_connections |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
2 - dovecot stop, dovecot reload |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
3 - make sure status/log messages which are important get through to the server |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
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4 - log prefixes work in a weird way now. failures.c prefixes are used only |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
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5 when not doing internal logging. that won't work in future.. |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
6 - library dependency tracking still broken. .la changes get noticed, |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
7 .libs/*.a changes not |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
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8 - o_stream_set_file_path() |
9004
a5555606846b
Fixed plugins to work with config rewrite.
Timo Sirainen <tss@iki.fi>
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9 - dict pooling |
9002
9d0037a997f4
Initial commit for config rewrite.
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10 - config rewrite |
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
11 - dovecot -o setting=something overriding |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
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12 - fix dovecot -n, dovecot -a |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
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13 - export only the stuff that's actually wanted by the service. requires |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
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parents:
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diff
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14 some kind of dependencies or something to get e.g. imap to load also mail. |
9015 | 15 |
9000 | 16 /* currently non-external transactions can be applied multiple times, |
17 causing multiple increments. */ | |
18 //FIXME:i_assert((t->flags & MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL) != 0); | |
19 ^ appears to work now though, probably because of the added syncing stuff.. | |
20 | |
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
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21 - dbox: keep track of total bytes in dbox storage in map header. also if |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
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22 possible keep track of refcount=0 bytes. use these to optimize checks. |
9000 | 23 - dbox: save some stuff to map index header so we don't need to keep retrying |
24 it. like when saving the lowest file_id which to bother checking. | |
25 - transaction log corruption should make sure dovecot.index is rewritten | |
26 and perhaps not delete the file. | |
27 - dbox: test crash-fixing | |
28 - use backup index in mail_index_fsck() | |
29 - dbox: mail_index_fsck() should perhaps cause dbox to be resynced? | |
30 | |
8831 | 31 - convert plugin: convert_pop3_uidl_format setting? so old %f uidls could be |
32 converted to dbox.. | |
8564
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Mention SSL/TLS in "plaintext auth disallowed" error.
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33 - proxying: support fallbacking to local (or other?) server if the first |
3c4934783aff
Mention SSL/TLS in "plaintext auth disallowed" error.
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34 one is down |
8555 | 35 - i_panic("Message count decreased") happens - why? |
8714
bbdbab5354d6
Implemented support for ESORT capability.
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36 - at least one backtrace shows client_destroy -> client_command_cancel -> |
bbdbab5354d6
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37 imap_sync_deinit |
8555 | 38 - fts-solr: handle DELETE, RENAME |
39 - fsck -> log_file_tail_offset 2273345664 -> 996 -> | |
40 mail-transaction-log.c: line 341 (mail_transaction_log_set_mailbox_sync_pos): | |
41 assertion failed: (file_offset >= log->head->saved_tail_offset) | |
8488 | 42 - virtual: "Searched n% of the mailbox" gives broken numbers since |
8555 | 43 ctx->seq jumps around. And why is it also returned when fts is enabled |
44 along with "Indexed n% of the mailbox"? | |
8488 | 45 - how do shared mailboxes work with plugins? |
46 - expire: not too well. would require knowing the mapping between shared | |
47 namespace and the original user's namespace to avoid duplication. | |
48 - lazy-expunge, fts, etc.? | |
49 - dovecot-acl-list: | |
50 - how does it work with global acls? | |
51 - update immediately after SETACL: add/remove entries, update timestamps | |
52 - read the entire file to memory only once and keep it there, stat() later | |
53 to see if it has changed. if not, perhaps don't even bother stat()ing | |
54 dovecot-acl files? at least not that often.. | |
55 - add anonymous environment for anon logins | |
56 - fs quota: getquotaroot inbox vs. other-box should return different quotas | |
57 if two quotas are defined | |
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
58 - lda: log mailbox name using utf8, not mutf7 |
8158 | 59 - new primes code: are hash tables now being resized too often? |
60 - auth_log_prefix setting similar to mail_log_prefix | |
61 - LDAP attrs: uid=foo,uid=bar doesn't work | |
62 | |
8488 | 63 - easily limit master users to be able to only log as other users within |
64 their domain | |
8158 | 65 - thread indexes: if we expunge a duplicate message-id: and we have a sibling |
66 with identical message-id:, we can probably just move the children? | |
67 (unless there are non-sibling duplicates) | |
68 - SEARCH INTHREAD requires no thread sorting by date - don't do it | |
69 - CONDSTORE: use per-flag/per-keyword conflict checking | |
70 - QRESYNC: Drop expunges from the middle of given seq sets if possible | |
71 - use universal hash functions? | |
72 | |
8488 | 73 - expire plugin: log more with mail_debug=yes |
74 - expire-tool -v could log UID and expire timestamps and what messages got | |
75 expunged | |
8247 | 76 - dict quota: syncing may cause quota recalculation, which in turn syncs |
77 all mailboxes and then we'll assert-crash to avoid infinite looping | |
78 - fts-squat: support ORs | |
8158 | 79 - UIDVALIDITY changed while saving -> sync errors |
80 - mbox: copy to Trash, manually delete copied msg, change uidvalidity, | |
81 set nextuid=1, copy again -> error | |
82 - recent_uids assert at least with mbox | |
83 - quota fs: Should values returned by quota be divided by the actual | |
84 filesystem block size instead of hardcoded DEV_BSIZE? not with AIX.. | |
85 - mailbox list fs: Listing subscriptions with children return options doesn't | |
86 work unless iter_is_mailbox() returns the children flags | |
7502 | 87 - sieve-cmu.c crash: i_assert(buf->used - 1 == part->body_size.physical_size); |
7449 | 88 - convert plugin: Create a r/w lock for a file. It's read-locked if |
89 conversion isn't wanted and released when process dies. If conversion is | |
90 wanted and write-lock succeeds, conversion is done, if write-lock doesn't | |
91 succeed it fallbacks to using the old storage. When process is exiting it | |
92 again tries to write-lock and do the conversion. Add a parameter that | |
93 specifies if conversion should be done. | |
7259 | 94 - lucene: handle replacement chars? |
95 - squat: | |
7380 | 96 - wrong indexid |
97 - fts_build_init() assertion failed: (last_uid < last_uid_locked) | |
7259 | 98 - is locking done right? it reads header without file being locked? |
99 - split after ~8 bytes? | |
7391 | 100 - expunges are delayed until more mails are added |
7259 | 101 - test replacement chars (SEARCH / SORT / Squat) |
6987 | 102 |
7575 | 103 - dbox: |
104 - "File unexpectedly lost" doesn't get fixed by itself | |
105 - Fix support for multi-message files | |
7603 | 106 - Delete dovecot-keywords and dovecot-uidlist after all maildir files |
107 have been converted to native dbox | |
7449 | 108 - DEBUG: buffer overflow checking code probably doesn't handle a successful |
109 t_try_realloc() or pool_alloconly_realloc() properly | |
6987 | 110 - cache: compress when we can drop temporary fields. |
111 - new %modifier for reverse DNS lookups with a cache | |
112 - auth_gssapi_hostname = %Xl | |
113 - proxying would also want DNS lookups, but not reverse.. | |
8738 | 114 - ldap: |
115 - domain lookups which set the base for user lookup | |
116 - same attribute can't be used for multiple values. | |
117 - multiple attributes can't be merged to a single value. | |
118 - implement something like: | |
119 user_attrs { | |
120 uid = %{ldap:uidNumber} | |
121 home = %{ldap:homeDirectory} | |
122 quota_bytes = *:bytes=%{ldap:quota} | |
123 } | |
5621 | 124 |
7575 | 125 - Per-user options: |
126 - Deny deleting non-empty mailboxes | |
127 - Disable IDLE "still here" notifications | |
128 | |
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
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129 - maildir+pop3 fast updates: |
6105 | 130 - with locking enabled, pop3 could just keep the one and same sync lock and |
131 do the whole thing using sync transaction | |
132 - don't update dovecot-uidlist if dovecot.index.cache doesn't exist / | |
133 there's nothing to cache | |
134 - if all messages are expunged and there are no unknown extensions in index, | |
135 unlink dovecot.index and rotate log and add some initial useful info to | |
136 the log (uidvalidity, nextuid) | |
5621 | 137 |
6105 | 138 - maildir |
6987 | 139 - don't allow more than 26 keywords |
6105 | 140 - physical separator could be configurable |
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
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141 - lda+maildir: if new mails are in new/ or cur/ they're not added to |
6105 | 142 dovecot-uidlist but newly saved mails are, so UIDs will be in wrong order |
143 - maildir_copy_with_hardlinks: We're currently first hardlinking to tmp/ and | |
144 then rename()ing. This wouldn't be necessary if uidlist syncing noticed | |
145 that someone else already had added them to uidlist, and the existing UIDs | |
146 could be assigned to them in the index. | |
6754 | 147 - copying should copy already-cached data |
6105 | 148 - maildir_copy_preserve_filename=yes has a race condition causing "Append with |
149 UID n, but next_uid = y" errors when quota plugin is loaded. Practically | |
150 won't happen except in stress testing. | |
5621 | 151 |
6105 | 152 - mbox |
153 - UID renumbering doesn't really work after all? | |
154 - still problems with CRLF mboxes.. | |
155 | |
6987 | 156 - proxy: If remote server disconnects on login: |
157 login: tried to change state 2 -> 2 | |
6105 | 158 - logging consistency: |
159 http://www.dovecot.org/list/dovecot/2007-April/021532.html | |
160 - EXPUNGE command in read-only mailbox should give an error message if | |
161 there are messages marked as \Deleted? | |
5557 | 162 - file_cache: we're growing the mmap in page size blocks, which is horribly |
163 slow if mremap() doesn't exist. | |
164 - login_max_processes_count shouldn't count proxying processes | |
165 | |
166 - Allow %variables in mail_chroot setting | |
167 - ssl_verify_client_cert isn't working if the SSL cert doesn't have CRL | |
168 | |
3087 | 169 - keywords: |
170 - add some limits to how many there can be | |
171 - don't return \* in PERMANENTFLAGS when we're full | |
172 - remove unused keywords? | |
2774 | 173 |
174 - caching | |
3904 | 175 - force bits should be used only for nonregistered fields |
176 - change envelope parsing not to use get_headers() so imap.envelope can | |
177 actually be cached without all the headers.. | |
6105 | 178 - if there's no other pressure for compression, we should do it when |
179 enough temp fields are ready to be dropped | |
3904 | 180 - we could try compressing same field values into a single |
181 location in cache file. | |
7259 | 182 - place some maximum limit of fields to cache file? maybe some soft and |
183 hard limits, so when soft limit is reached drop fields that have | |
184 been used only once. when hard limit is reached drop any fields to get | |
185 more space. all this to avoid cache file growing infinitely. | |
2774 | 186 |
3087 | 187 - mbox |
3904 | 188 - syncing existing indexes takes 4x longer than creating new one, why? |
189 - how well does dirty sync + status work? it reads the last mail every | |
190 time? not very good.. | |
191 - always add empty line. make the parser require it too? syncing should | |
192 make sure there always exists two LFs at end of file. raw-mbox-stream | |
193 should make sure the last message ends with LF even if it doesn't exist | |
194 in the file | |
195 - Quote "From ", unquote ">From " | |
4449 | 196 - COPY doesn't work to itself (lock assert crash, for now just disallowed) |
2143 | 197 |
198 - index | |
3087 | 199 - read-only support for mailboxes where we don't have write-access |
6105 | 200 - index file format changes: |
201 - pack UIDs to beginning of file with UID ranges | |
202 - use squat-like compressed uid ranges everywhere | |
6782 | 203 - write first extension intros in dovecot.index.log always with names |
204 - or better yet, drop the intro concept completely as it is now | |
205 - add "transaction boundaries" so we know which records belong to a | |
206 single transaction. | |
207 - only after that we can remove the transaction log offset | |
208 overwriting (otherwise we can get partial transactions in views) | |
2143 | 209 |
4449 | 210 - namespaces |
211 - namespaces: add new "auto_disable" flag so if the mailbox can't be opened | |
212 (eg. file doesn't exist), just ignore the problem and disable the | |
213 namespace | |
214 | |
215 - lib-storage | |
5557 | 216 - rename: allow moving between storages, as long as they're of same type |
4449 | 217 - x search charset asdf all -> should fail |
3087 | 218 |
219 - login | |
4449 | 220 - imap-login: Master sent reply with unknown tag 1. client closed |
221 connection at the exact same time master was logging it in? | |
222 see master_request_abort() | |
3087 | 223 - Digest-MD5: support integrity protection, and maybe crypting. Do it |
224 through login process like SSL is done? | |
225 - x login foo bar | |
226 x NO Authentication failed. | |
227 x login cras pass | |
228 * BYE Disconnected for inactivity. | |
229 ^ but it's not disconnecting! (buggy dovecot-auth not replying) | |
3744 | 230 probably because userdb lookup didn't reply, and fd was already sent |
231 for master.. should imap-login be handling it anymore?.. | |
3087 | 232 - imap-login: Authenticate PLAIN failed: Authentication failed: |
233 Authentication server isn't connected, try again later.. [127.0.0.1] | |
234 ^ NO Authentication failed. (should be Temporary login failure!) | |
235 - if auth process dies, login process should retry authentication if | |
236 possible. or if not, disconnect the client so it doesn't think the auth | |
237 failed. | |
474 | 238 |
3087 | 239 - auth |
8247 | 240 - v2.0: add auth_plugins setting, put all plugins into the same dir |
4449 | 241 - with blocking passdb we're not caching lookups if the password was wrong |
5557 | 242 - non-plaintext authentication doesn't support all features: |
243 - multiple passdbs don't work, only the first one is used | |
244 - auth cache's last_success password change check doesn't exist | |
6987 | 245 - allow returning multiple gids |
3087 | 246 - SIGHUP restarts auth processes .. but does it wait until they've finished |
247 with all requests? no. | |
248 - does dovecot-auth really break when it runs out of fds? | |
4449 | 249 - dovecot-auth should limit how fast authentication requests are allowed |
250 from login processes. especially if there's one login/connection the speed | |
3087 | 251 should be something like once/sec. also limit how fast to accept new |
252 connections. | |
253 - support read-only logins. user could with alternative password get only | |
254 read-access to mails so mails could be read relatively safely with | |
255 untrusted computers. Maybe always send [ALERT] about the previous | |
256 read-only login time with IP? | |
4449 | 257 - dovecot-auth workers: create a separate dovecot-pam worker which shares |
258 pretty much all code with dovecot-auth worker but isn't linked against | |
259 any libraries. or..? this might be difficult to do, especially because the | |
260 workers currently can handle any kind of passdb/userb requests. perhaps | |
261 there should be a completely separate simple PAM authenticator binary. | |
526 | 262 |
3087 | 263 - master |
264 - configurable syslog prefix | |
3450 | 265 - if there are duplicate settings, complain about it |
3087 | 266 |
267 - quota | |
268 - if dovecot-uidlist can't be written, assume the new mails have UIDs | |
269 beginning from uidlist.next_uid. Whenever mails are expunged, overwrite | |
270 the next_uid field with the current highest next_uid. Whenever we have | |
271 assumed UIDs and uidlist gets updated, throw the client out with | |
272 "inconsist mailbox". | |
273 | |
274 - ssl | |
275 - add setting: ssl_options = bitmask. by default we enable all openssl | |
276 workarounds, this could be used to disable some of them | |
277 - gnutls support isn't working | |
965 | 278 |
3087 | 279 - search |
6232 | 280 - message header search: we should ignore LWSP between two MIME blocks(?) |
281 - message_search_init() could accept multiple search keywords so we | |
1250 | 282 wouldn't need to call it separately for each one (so we wouldn't need |
283 to parse the message multiple times). | |
284 - could optionally support scanning inside file attachments and use | |
285 plugins to extract text out of them (word, excel, pdf, etc. etc.) | |
286 - Create our own extension: When searching with TEXT/BODY, return | |
287 the message text surrounding the keywords just like web search engines | |
288 do. like: SEARCH X-PRINT-MATCHES TEXT "hello" -> * SEARCH 1 "He said: | |
289 Hello world!" 2 "Hello, I'm ...". This would be especially useful with | |
290 the above attachment scanning. | |
0 | 291 |
3087 | 292 - general |
4449 | 293 - stop using atol(), atoi(), strtoul() etc. in places where we actually |
294 care about what they return, and rather create our own function which | |
295 checks if the input overflows the integer, and if so call i_fatal() | |
296 - LMTP server | |
297 - ability to build plugins statically into the binaries | |
3087 | 298 - ~/.dovecotrc to override system wide settings. namespace settings should |
299 override all the previous namespace settings instead of adding new. | |
300 - things break if next_uid gets to 2^32 | |
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301 |
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302 capabilities: |
3087 | 303 - THREAD=ORDEREDSUBJECT - although pretty useless I'd think. |
376
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304 - mailbox-referrals (rfc2193) |
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305 - this is useful whenever we would otherwise need to make the |
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306 connection ourself. for example load balancing and shared mailboxes |
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307 requiring another UID to run. |
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308 - this rfc defines no exact way for server to detect if client |
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309 supports referrals or not. I don't think there's much point in |
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310 supporting only referrals, as most clients don't support them. |
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311 Instead we should return referrals when we know that client |
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312 supports them, otherwise do the connecting ourself. If client |
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313 issues RLIST or RLSUB command, it's safe to assume it supports |
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314 referrals. |
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315 - for load balancing this works just fine, but what about shared |
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316 mailboxes which require different UID? If we login with our own |
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317 username, we end up with our own UID instead of what we wanted. |
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318 IMAP URLs don't support separated authorization id which would |
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319 have made this very easy.. We could give the "userid@group" as |
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320 userid, but clients probably treat it as different userid and |
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321 ask the password again. |
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322 - problems, problems, .. maybe not worth the trouble. |
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323 - drafts: |
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324 - http://www.imc.org/ids.html |
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325 - annotate (draft-ietf-imapext-annotate) |
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326 - per-message annotations. this will be major change. especially |
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327 because currently there's no suitable storage for them, and |
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328 they'll probably change all the time.. maybe if we moved into |
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329 berkeley db to store the .data file and these annotations. |
1178 | 330 - this is separate problem from index files. indexes are treated as |
331 temporary files, annotations are permanent data. we'd have to | |
332 support non-db way to do this too, which would probably be just a | |
333 simple (slow) text file. | |
5621 | 334 - use lib-dict probably |
335 - metadata (draft-daboo-imap-annotatemore) | |
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336 - server and per-mailbox annotations. much easier than |
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337 per-message annotations, but they'd be easier to place into |
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338 db as well. |
5621 | 339 - lib-dict, again |
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340 - binary (draft-nerenberg-imap-binary) |