Mercurial > dovecot > core-2.2
annotate TODO @ 9931:97d5c31dcc9e HEAD
TODO updated.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Fri, 11 Sep 2009 14:44:31 -0400 |
| parents | 34eef8a2716b |
| children | 7dc28f9b899d |
| rev | line source |
|---|---|
| 9931 | 1 - running from inetd |
| 2 - settings: ssl_parameters_regenerate | |
| 3 - lib-auth: connect only to "auth" socket | |
| 4 - create ssl-params service listening on login/ssl-params socket | |
| 5 | |
| 6 - config protocol should tell after lookups if there's something more specific | |
| 7 also available so login process wouldn't have to do config lookup for | |
| 8 each connection if there's no per-IP config. | |
| 9559 | 9 - dsync: |
| 9931 | 10 - handle INBOX GUID conflicts. |
| 11 - mailbox GUID conflicts: if one mailbox is empty, drop it. | |
| 9559 | 12 - subscriptions |
| 13 - cache | |
| 9931 | 14 - use transaction_commit_get_changes(), retry sync if uids are not what we |
| 15 wanted. | |
| 16 - resync if uid changes or modseq changes don't go exactly as we wanted | |
| 17 - other side crashes -> worker server disconnected unexpectedly -> hang | |
| 18 - add some timeout | |
| 19 - sieve scripts | |
| 20 - lib-lda/duplicate.c uses home_expand() | |
| 21 - dbox: we get back to dbox_sync_file() over and over again when expunging.. | |
| 22 especially with a broken guid expunge, it doesn't go away. | |
| 9559 | 23 - Add mailbox_list_create_dir() and remove bool directory from mailbox_create() |
| 24 - protocol lda { recipient_delimiter=+ } | |
| 9459 | 25 - search: use mail_get_parts() only when it's already cached. if it's not, |
| 26 add it to cache afterwards. | |
| 27 - check v.copy() failure handling. now they leak memory? | |
| 28 - COPY: Don't do time() for every 100 msgs, do it dynamically. dbox is fast! | |
|
9235
2e2b957f1cca
Implemented anvil service, which is used to implement mail_max_userip_connections.
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9159
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29 - move ssl proxying code to lib-master |
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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
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30 - o_stream_set_file_path() |
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9004
a5555606846b
Fixed plugins to work with config rewrite.
Timo Sirainen <tss@iki.fi>
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9002
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31 - dict pooling |
| 9015 | 32 |
| 9000 | 33 /* currently non-external transactions can be applied multiple times, |
| 34 causing multiple increments. */ | |
| 35 //FIXME:i_assert((t->flags & MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL) != 0); | |
| 36 ^ appears to work now though, probably because of the added syncing stuff.. | |
| 37 | |
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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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38 - 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
changeset
|
39 possible keep track of refcount=0 bytes. use these to optimize checks. |
| 9000 | 40 - dbox: save some stuff to map index header so we don't need to keep retrying |
| 41 it. like when saving the lowest file_id which to bother checking. | |
| 42 - transaction log corruption should make sure dovecot.index is rewritten | |
| 43 and perhaps not delete the file. | |
| 44 - dbox: test crash-fixing | |
| 45 - use backup index in mail_index_fsck() | |
| 46 - dbox: mail_index_fsck() should perhaps cause dbox to be resynced? | |
| 47 | |
| 8831 | 48 - convert plugin: convert_pop3_uidl_format setting? so old %f uidls could be |
| 49 converted to dbox.. | |
|
8564
3c4934783aff
Mention SSL/TLS in "plaintext auth disallowed" error.
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8555
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50 - proxying: support fallbacking to local (or other?) server if the first |
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3c4934783aff
Mention SSL/TLS in "plaintext auth disallowed" error.
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8555
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51 one is down |
| 8555 | 52 - i_panic("Message count decreased") happens - why? |
|
8714
bbdbab5354d6
Implemented support for ESORT capability.
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8564
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53 - at least one backtrace shows client_destroy -> client_command_cancel -> |
|
bbdbab5354d6
Implemented support for ESORT capability.
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8564
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54 imap_sync_deinit |
| 8555 | 55 - fts-solr: handle DELETE, RENAME |
| 56 - fsck -> log_file_tail_offset 2273345664 -> 996 -> | |
| 57 mail-transaction-log.c: line 341 (mail_transaction_log_set_mailbox_sync_pos): | |
| 58 assertion failed: (file_offset >= log->head->saved_tail_offset) | |
| 8488 | 59 - virtual: "Searched n% of the mailbox" gives broken numbers since |
| 8555 | 60 ctx->seq jumps around. And why is it also returned when fts is enabled |
| 61 along with "Indexed n% of the mailbox"? | |
| 8488 | 62 - how do shared mailboxes work with plugins? |
| 63 - expire: not too well. would require knowing the mapping between shared | |
| 64 namespace and the original user's namespace to avoid duplication. | |
| 65 - lazy-expunge, fts, etc.? | |
| 66 - dovecot-acl-list: | |
| 67 - how does it work with global acls? | |
| 68 - update immediately after SETACL: add/remove entries, update timestamps | |
| 69 - read the entire file to memory only once and keep it there, stat() later | |
| 70 to see if it has changed. if not, perhaps don't even bother stat()ing | |
| 71 dovecot-acl files? at least not that often.. | |
| 72 - add anonymous environment for anon logins | |
| 73 - fs quota: getquotaroot inbox vs. other-box should return different quotas | |
| 74 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
|
75 - lda: log mailbox name using utf8, not mutf7 |
| 8158 | 76 - new primes code: are hash tables now being resized too often? |
| 77 - auth_log_prefix setting similar to mail_log_prefix | |
| 78 - LDAP attrs: uid=foo,uid=bar doesn't work | |
| 79 | |
| 8488 | 80 - easily limit master users to be able to only log as other users within |
| 81 their domain | |
| 8158 | 82 - thread indexes: if we expunge a duplicate message-id: and we have a sibling |
| 83 with identical message-id:, we can probably just move the children? | |
| 84 (unless there are non-sibling duplicates) | |
| 85 - SEARCH INTHREAD requires no thread sorting by date - don't do it | |
| 86 - CONDSTORE: use per-flag/per-keyword conflict checking | |
| 87 - QRESYNC: Drop expunges from the middle of given seq sets if possible | |
| 88 - use universal hash functions? | |
| 89 | |
| 8488 | 90 - expire plugin: log more with mail_debug=yes |
| 91 - expire-tool -v could log UID and expire timestamps and what messages got | |
| 92 expunged | |
| 8247 | 93 - dict quota: syncing may cause quota recalculation, which in turn syncs |
| 94 all mailboxes and then we'll assert-crash to avoid infinite looping | |
| 95 - fts-squat: support ORs | |
| 8158 | 96 - UIDVALIDITY changed while saving -> sync errors |
| 97 - mbox: copy to Trash, manually delete copied msg, change uidvalidity, | |
| 98 set nextuid=1, copy again -> error | |
| 99 - recent_uids assert at least with mbox | |
| 100 - quota fs: Should values returned by quota be divided by the actual | |
| 101 filesystem block size instead of hardcoded DEV_BSIZE? not with AIX.. | |
| 102 - mailbox list fs: Listing subscriptions with children return options doesn't | |
| 103 work unless iter_is_mailbox() returns the children flags | |
| 7502 | 104 - sieve-cmu.c crash: i_assert(buf->used - 1 == part->body_size.physical_size); |
| 7449 | 105 - convert plugin: Create a r/w lock for a file. It's read-locked if |
| 106 conversion isn't wanted and released when process dies. If conversion is | |
| 107 wanted and write-lock succeeds, conversion is done, if write-lock doesn't | |
| 108 succeed it fallbacks to using the old storage. When process is exiting it | |
| 109 again tries to write-lock and do the conversion. Add a parameter that | |
| 110 specifies if conversion should be done. | |
| 7259 | 111 - lucene: handle replacement chars? |
| 112 - squat: | |
| 7380 | 113 - wrong indexid |
| 114 - fts_build_init() assertion failed: (last_uid < last_uid_locked) | |
| 7259 | 115 - is locking done right? it reads header without file being locked? |
| 116 - split after ~8 bytes? | |
| 7391 | 117 - expunges are delayed until more mails are added |
| 7259 | 118 - test replacement chars (SEARCH / SORT / Squat) |
| 6987 | 119 |
| 7575 | 120 - dbox: |
| 121 - "File unexpectedly lost" doesn't get fixed by itself | |
| 122 - Fix support for multi-message files | |
| 7603 | 123 - Delete dovecot-keywords and dovecot-uidlist after all maildir files |
| 124 have been converted to native dbox | |
| 7449 | 125 - DEBUG: buffer overflow checking code probably doesn't handle a successful |
| 126 t_try_realloc() or pool_alloconly_realloc() properly | |
| 6987 | 127 - cache: compress when we can drop temporary fields. |
| 128 - new %modifier for reverse DNS lookups with a cache | |
| 129 - auth_gssapi_hostname = %Xl | |
| 130 - proxying would also want DNS lookups, but not reverse.. | |
| 8738 | 131 - ldap: |
| 132 - domain lookups which set the base for user lookup | |
| 133 - same attribute can't be used for multiple values. | |
| 134 - multiple attributes can't be merged to a single value. | |
| 135 - implement something like: | |
| 136 user_attrs { | |
| 137 uid = %{ldap:uidNumber} | |
| 138 home = %{ldap:homeDirectory} | |
| 139 quota_bytes = *:bytes=%{ldap:quota} | |
| 140 } | |
| 5621 | 141 |
| 7575 | 142 - Per-user options: |
| 143 - Deny deleting non-empty mailboxes | |
| 144 - Disable IDLE "still here" notifications | |
| 145 | |
|
9159
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
Timo Sirainen <tss@iki.fi>
parents:
9015
diff
changeset
|
146 - maildir+pop3 fast updates: |
| 6105 | 147 - with locking enabled, pop3 could just keep the one and same sync lock and |
| 148 do the whole thing using sync transaction | |
| 149 - don't update dovecot-uidlist if dovecot.index.cache doesn't exist / | |
| 150 there's nothing to cache | |
| 151 - if all messages are expunged and there are no unknown extensions in index, | |
| 152 unlink dovecot.index and rotate log and add some initial useful info to | |
| 153 the log (uidvalidity, nextuid) | |
| 5621 | 154 |
| 6105 | 155 - maildir |
| 6987 | 156 - don't allow more than 26 keywords |
| 6105 | 157 - 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:
9015
diff
changeset
|
158 - lda+maildir: if new mails are in new/ or cur/ they're not added to |
| 6105 | 159 dovecot-uidlist but newly saved mails are, so UIDs will be in wrong order |
| 160 - maildir_copy_with_hardlinks: We're currently first hardlinking to tmp/ and | |
| 161 then rename()ing. This wouldn't be necessary if uidlist syncing noticed | |
| 162 that someone else already had added them to uidlist, and the existing UIDs | |
| 163 could be assigned to them in the index. | |
| 6754 | 164 - copying should copy already-cached data |
| 6105 | 165 - maildir_copy_preserve_filename=yes has a race condition causing "Append with |
| 166 UID n, but next_uid = y" errors when quota plugin is loaded. Practically | |
| 167 won't happen except in stress testing. | |
| 5621 | 168 |
| 6105 | 169 - mbox |
| 170 - UID renumbering doesn't really work after all? | |
| 171 - still problems with CRLF mboxes.. | |
| 172 | |
| 6987 | 173 - proxy: If remote server disconnects on login: |
| 174 login: tried to change state 2 -> 2 | |
| 6105 | 175 - logging consistency: |
| 176 http://www.dovecot.org/list/dovecot/2007-April/021532.html | |
| 177 - EXPUNGE command in read-only mailbox should give an error message if | |
| 178 there are messages marked as \Deleted? | |
| 5557 | 179 - file_cache: we're growing the mmap in page size blocks, which is horribly |
| 180 slow if mremap() doesn't exist. | |
| 181 - login_max_processes_count shouldn't count proxying processes | |
| 182 | |
| 183 - Allow %variables in mail_chroot setting | |
| 184 - ssl_verify_client_cert isn't working if the SSL cert doesn't have CRL | |
| 185 | |
| 3087 | 186 - keywords: |
| 187 - add some limits to how many there can be | |
| 188 - don't return \* in PERMANENTFLAGS when we're full | |
| 189 - remove unused keywords? | |
| 2774 | 190 |
| 191 - caching | |
| 3904 | 192 - force bits should be used only for nonregistered fields |
| 193 - change envelope parsing not to use get_headers() so imap.envelope can | |
| 194 actually be cached without all the headers.. | |
| 6105 | 195 - if there's no other pressure for compression, we should do it when |
| 196 enough temp fields are ready to be dropped | |
| 3904 | 197 - we could try compressing same field values into a single |
| 198 location in cache file. | |
| 7259 | 199 - place some maximum limit of fields to cache file? maybe some soft and |
| 200 hard limits, so when soft limit is reached drop fields that have | |
| 201 been used only once. when hard limit is reached drop any fields to get | |
| 202 more space. all this to avoid cache file growing infinitely. | |
| 2774 | 203 |
| 3087 | 204 - mbox |
| 3904 | 205 - syncing existing indexes takes 4x longer than creating new one, why? |
| 206 - how well does dirty sync + status work? it reads the last mail every | |
| 207 time? not very good.. | |
| 208 - always add empty line. make the parser require it too? syncing should | |
| 209 make sure there always exists two LFs at end of file. raw-mbox-stream | |
| 210 should make sure the last message ends with LF even if it doesn't exist | |
| 211 in the file | |
| 212 - Quote "From ", unquote ">From " | |
| 4449 | 213 - COPY doesn't work to itself (lock assert crash, for now just disallowed) |
| 2143 | 214 |
| 215 - index | |
| 3087 | 216 - read-only support for mailboxes where we don't have write-access |
| 6105 | 217 - index file format changes: |
| 218 - pack UIDs to beginning of file with UID ranges | |
| 219 - use squat-like compressed uid ranges everywhere | |
| 6782 | 220 - write first extension intros in dovecot.index.log always with names |
| 221 - or better yet, drop the intro concept completely as it is now | |
| 222 - add "transaction boundaries" so we know which records belong to a | |
| 223 single transaction. | |
| 224 - only after that we can remove the transaction log offset | |
| 225 overwriting (otherwise we can get partial transactions in views) | |
| 2143 | 226 |
| 4449 | 227 - namespaces |
| 228 - namespaces: add new "auto_disable" flag so if the mailbox can't be opened | |
| 229 (eg. file doesn't exist), just ignore the problem and disable the | |
| 230 namespace | |
| 231 | |
| 232 - lib-storage | |
| 233 - x search charset asdf all -> should fail | |
| 3087 | 234 |
| 235 - login | |
| 4449 | 236 - imap-login: Master sent reply with unknown tag 1. client closed |
| 237 connection at the exact same time master was logging it in? | |
| 238 see master_request_abort() | |
| 3087 | 239 - Digest-MD5: support integrity protection, and maybe crypting. Do it |
| 240 through login process like SSL is done? | |
| 241 - x login foo bar | |
| 242 x NO Authentication failed. | |
| 243 x login cras pass | |
| 244 * BYE Disconnected for inactivity. | |
| 245 ^ but it's not disconnecting! (buggy dovecot-auth not replying) | |
| 3744 | 246 probably because userdb lookup didn't reply, and fd was already sent |
| 247 for master.. should imap-login be handling it anymore?.. | |
| 3087 | 248 - imap-login: Authenticate PLAIN failed: Authentication failed: |
| 249 Authentication server isn't connected, try again later.. [127.0.0.1] | |
| 250 ^ NO Authentication failed. (should be Temporary login failure!) | |
| 251 - if auth process dies, login process should retry authentication if | |
| 252 possible. or if not, disconnect the client so it doesn't think the auth | |
| 253 failed. | |
| 474 | 254 |
| 3087 | 255 - auth |
| 4449 | 256 - with blocking passdb we're not caching lookups if the password was wrong |
| 5557 | 257 - non-plaintext authentication doesn't support all features: |
| 258 - multiple passdbs don't work, only the first one is used | |
| 259 - auth cache's last_success password change check doesn't exist | |
| 9459 | 260 - auth_cache_negative_ttl doesn't check password mismatches |
| 3087 | 261 - SIGHUP restarts auth processes .. but does it wait until they've finished |
| 262 with all requests? no. | |
| 263 - does dovecot-auth really break when it runs out of fds? | |
| 4449 | 264 - dovecot-auth should limit how fast authentication requests are allowed |
| 265 from login processes. especially if there's one login/connection the speed | |
| 3087 | 266 should be something like once/sec. also limit how fast to accept new |
| 267 connections. | |
| 268 - support read-only logins. user could with alternative password get only | |
| 269 read-access to mails so mails could be read relatively safely with | |
| 270 untrusted computers. Maybe always send [ALERT] about the previous | |
| 271 read-only login time with IP? | |
| 4449 | 272 - dovecot-auth workers: create a separate dovecot-pam worker which shares |
| 273 pretty much all code with dovecot-auth worker but isn't linked against | |
| 274 any libraries. or..? this might be difficult to do, especially because the | |
| 275 workers currently can handle any kind of passdb/userb requests. perhaps | |
| 276 there should be a completely separate simple PAM authenticator binary. | |
| 526 | 277 |
| 3087 | 278 - master |
| 279 - configurable syslog prefix | |
| 3450 | 280 - if there are duplicate settings, complain about it |
| 3087 | 281 |
| 282 - quota | |
| 283 - if dovecot-uidlist can't be written, assume the new mails have UIDs | |
| 284 beginning from uidlist.next_uid. Whenever mails are expunged, overwrite | |
| 285 the next_uid field with the current highest next_uid. Whenever we have | |
| 286 assumed UIDs and uidlist gets updated, throw the client out with | |
| 287 "inconsist mailbox". | |
| 288 | |
| 289 - ssl | |
| 290 - add setting: ssl_options = bitmask. by default we enable all openssl | |
| 291 workarounds, this could be used to disable some of them | |
| 292 - gnutls support isn't working | |
| 965 | 293 |
| 3087 | 294 - search |
| 6232 | 295 - message header search: we should ignore LWSP between two MIME blocks(?) |
| 296 - message_search_init() could accept multiple search keywords so we | |
| 1250 | 297 wouldn't need to call it separately for each one (so we wouldn't need |
| 298 to parse the message multiple times). | |
| 299 - could optionally support scanning inside file attachments and use | |
| 300 plugins to extract text out of them (word, excel, pdf, etc. etc.) | |
| 301 - Create our own extension: When searching with TEXT/BODY, return | |
| 302 the message text surrounding the keywords just like web search engines | |
| 303 do. like: SEARCH X-PRINT-MATCHES TEXT "hello" -> * SEARCH 1 "He said: | |
| 304 Hello world!" 2 "Hello, I'm ...". This would be especially useful with | |
| 305 the above attachment scanning. | |
| 0 | 306 |
| 3087 | 307 - general |
| 4449 | 308 - stop using atol(), atoi(), strtoul() etc. in places where we actually |
| 309 care about what they return, and rather create our own function which | |
| 310 checks if the input overflows the integer, and if so call i_fatal() | |
| 311 - ability to build plugins statically into the binaries | |
| 3087 | 312 - ~/.dovecotrc to override system wide settings. namespace settings should |
| 313 override all the previous namespace settings instead of adding new. | |
| 314 - things break if next_uid gets to 2^32 | |
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315 |
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316 capabilities: |
| 3087 | 317 - THREAD=ORDEREDSUBJECT - although pretty useless I'd think. |
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318 - mailbox-referrals (rfc2193) |
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319 - this is useful whenever we would otherwise need to make the |
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320 connection ourself. for example load balancing and shared mailboxes |
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321 requiring another UID to run. |
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322 - this rfc defines no exact way for server to detect if client |
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323 supports referrals or not. I don't think there's much point in |
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324 supporting only referrals, as most clients don't support them. |
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325 Instead we should return referrals when we know that client |
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326 supports them, otherwise do the connecting ourself. If client |
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327 issues RLIST or RLSUB command, it's safe to assume it supports |
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328 referrals. |
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329 - for load balancing this works just fine, but what about shared |
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330 mailboxes which require different UID? If we login with our own |
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331 username, we end up with our own UID instead of what we wanted. |
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332 IMAP URLs don't support separated authorization id which would |
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333 have made this very easy.. We could give the "userid@group" as |
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334 userid, but clients probably treat it as different userid and |
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335 ask the password again. |
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336 - problems, problems, .. maybe not worth the trouble. |
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337 - drafts: |
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338 - http://www.imc.org/ids.html |
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339 - annotate (draft-ietf-imapext-annotate) |
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340 - per-message annotations. this will be major change. especially |
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fd1fc4cf11b7
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Timo Sirainen <tss@iki.fi>
parents:
340
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341 because currently there's no suitable storage for them, and |
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fd1fc4cf11b7
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Timo Sirainen <tss@iki.fi>
parents:
340
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342 they'll probably change all the time.. maybe if we moved into |
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fd1fc4cf11b7
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Timo Sirainen <tss@iki.fi>
parents:
340
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343 berkeley db to store the .data file and these annotations. |
| 1178 | 344 - this is separate problem from index files. indexes are treated as |
| 345 temporary files, annotations are permanent data. we'd have to | |
| 346 support non-db way to do this too, which would probably be just a | |
| 347 simple (slow) text file. | |
| 5621 | 348 - use lib-dict probably |
| 349 - metadata (draft-daboo-imap-annotatemore) | |
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parents:
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350 - server and per-mailbox annotations. much easier than |
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fd1fc4cf11b7
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Timo Sirainen <tss@iki.fi>
parents:
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351 per-message annotations, but they'd be easier to place into |
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fd1fc4cf11b7
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parents:
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352 db as well. |
| 5621 | 353 - lib-dict, again |
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354 - binary (draft-nerenberg-imap-binary) |