X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7bb56e1f44b539c8b81ef526b9e814e735614168..1e70f85bc1b5cebe658c167e7392e66a7ab440fc:/doc/doc-misc/WishList?ds=sidebyside diff --git a/doc/doc-misc/WishList b/doc/doc-misc/WishList index aa9fb7b2b..039114e3b 100644 --- a/doc/doc-misc/WishList +++ b/doc/doc-misc/WishList @@ -1,4 +1,4 @@ -$Cambridge: exim/doc/doc-misc/WishList,v 1.7 2004/11/19 15:18:57 ph10 Exp $ +$Cambridge: exim/doc/doc-misc/WishList,v 1.19 2005/02/15 16:39:19 ph10 Exp $ EXIM 4 WISH LIST ---------------- @@ -577,15 +577,6 @@ size. Directory scanning is expensive; is there any scope for caching? It would seem not (you don't often get two addresses to the same user). ------------------------------------------------------------------------------ -(4) 01-Jan-02 S Option to reject if no From: or Date: header line - -Exim, in common with many other MTAs, inserts a From: or Date: header line if -one is missing. (It also inserts a blank Bcc:, but that is no longer needed by -RFC 2822 - it was by 822.) The suggestion is an option to give an error -instead. This could be done by making it possible to detect these insertions in -the acl_smtp_data ACL. ------------------------------------------------------------------------------- - (6) 01-Jan-02 S Option to disable the use of -t Dave C. @@ -767,9 +758,11 @@ Client: We need a variant of 'exim -bs' which would connect to a specified host, send AUTH/ATRN, and then accept incoming messages as usual. ------------------------------------------------------------------------------ -(50) 22-May-02 T Add comment (duplicate address) to Envelope-To: +(50) 22-May-02 S? Add comment (duplicate address) to Envelope-To: -This is just to minimize the confusion some people have. +This is just to minimize the confusion some people have. However, it is not +trivially easy to decide which to label as duplicates because of complications +with redirection. I'm not convinced it will actually reduce confusion. ------------------------------------------------------------------------------ (51) 07-Jun-02 S Option to use another address in callout MAIL FROM @@ -880,6 +873,12 @@ cleanly. 22-Apr-04: Implemented for domains, addresses, and local parts. Hosts are too messy! + +The only sensible approach seems to be to allow IP address arguments only. +Anything else should be diagnosed as an error. However, if a name appears in +the list, a PTR lookup should be done. This may require a lot of refactoring +in the code, because of the current assumption that were are (almost) always +dealing with THE sending host. ------------------------------------------------------------------------------ (74) 22-Jul-02 M Extend -bV to do more semantic checking @@ -1319,6 +1318,10 @@ done.) ------------------------------------------------------------------------------ (202) 10-Oct-03 S -bvsomething to do a callout after the verify + +For example: -bvc and -bvsc. The problem now (Nov 04) is that there are quite a +few possible callout options that can be specified in an ACL, and they would +have to be replicated here. ------------------------------------------------------------------------------ (203) 14-Oct-03 S verify=something to easily check for header presence @@ -1372,7 +1375,9 @@ Unfortunately, this isn't quite as trivial as it seems. (215) 14-Nov-03 S A way of turning off message-submission fix-ups Globally, and perhaps also via an ACL control so that it can be done on a -per-message basis. +per-message basis. Is this still needed? Since this item was added to this +list, default fixups for non-local messages have been removed, and control = +submission has been added. ------------------------------------------------------------------------------ (215) 26-Nov-03 M/L Conversion of IDNA domain names for logging @@ -1414,6 +1419,9 @@ radical suggestion for a complete re-design, and is therefore BIG. ------------------------------------------------------------------------------ (223) 22-Dec-03 S Support SOA lookup in dnsdb lookups + +This could be like zns, and climb up the tree till it hits a zone. Would the +name of the zone be required? ------------------------------------------------------------------------------ (225) 22-Dec-03 M Add acl= to routers @@ -1467,7 +1475,8 @@ and last item with ease; doing this using {if ...} would be quite difficult!" (230) 30-Jan-04 M Find IP addresses of a domain's nameservers This needs some way of processing a list of things in a similar way, which -should perhaps be a more general facility. +should perhaps be a more general facility. // This can now be done using the +list facilities of dnsdb; verbose, but it can be done. // ------------------------------------------------------------------------------ (231) 30-Jan-04 ? -C has a number of problems when used for real @@ -1486,7 +1495,9 @@ course, security issues. This is not something I want to go into at present. (235) 02-Feb-04 T Make smtp_accept_count available as a variable This is for use in ACLs. Of course, it is a snapshot of the count at the -start of the receiving process. +start of the receiving process. As such, it could be confusing because if a +connection lasts a long time, the "true" value could be very different. For +this reason, I don't really like this idea. ------------------------------------------------------------------------------ (236) 02-Feb-04 S String in local_scan that's added to the binary version string @@ -1513,7 +1524,8 @@ library, because there's no crypto code in Exim itself. (240) 23-Feb-04 ? Some way to know if a ip is a mx for a given domain Some kind of iterative operation for dnsdb might be a general way of providing -this. +this. // This can now be done using the list facilities of dnsdb; verbose, but +it can be done. // ------------------------------------------------------------------------------ (242) 01-Mar-04 ? Run a filter from an expansion condition @@ -1594,14 +1606,6 @@ A modifier that sets a delay between lines for multiline responses. Given that pids are reused non-cyclically these days, is this actually useful? ------------------------------------------------------------------------------ -(269) 26-May-04 U Run both a system and a user filter in test mode - - exim -bF systemfilter -bf userfilter -f sender@dom < message - -This would allow testing the way the userfilter handles the system -variables set by the systemfilter. ------------------------------------------------------------------------------- - (270) 01-Jun-04 M Add headers at top and middle Various initiatives like SPF and DomainKeys require header lines to be added @@ -1654,7 +1658,8 @@ Similar to the bounce and delivery warn message files. (280) 23-Jun-04 M A way of adding a header line after callout defer_ok This would record that, e.g., a sender domain verified, but the callout -could not be done. +could not be done. There are ways of fudging this, using ACL variables and +"warn" statements. ------------------------------------------------------------------------------ (285) 16-Jul-04 M Separate and independent log_selector for rejectlog @@ -1724,23 +1729,12 @@ callout cache in time for the sender's next attempt." What about ** lines? ------------------------------------------------------------------------------ -(298) 25-Oct-04 S Debugging the daemon process only - -When there are daemon problems (e.g. it dies) it would be helpful to be able to -turn on debugging that did not get passed on to any subprocesses. ------------------------------------------------------------------------------- - (299) 25-Oct-04 S Options to make Sieve "keep" pass to next router Currently, "keep" saves in the mailbox. Probably need two options, for implicit and explicit keep commands. ------------------------------------------------------------------------------ -(300) 25-Oct-04 S Option to lock out Sieve or Exim filter - -Currently, if allow_filter is set, either kind of filter is permitted. ------------------------------------------------------------------------------- - (301) 27-Oct-04 M Use an "ACL" to filter logging This idea was for ACL syntax to be able to "accept" or "deny" individual log @@ -1790,5 +1784,69 @@ does the *@ thing. A more sensible plan would be something like: That is, try the local part and * at each of the partial domain values. ------------------------------------------------------------------------------ ---- HWM 306 ------------------------------------------------------------------ + +(307) 24-Nov-04 S Check the syntax of Message-ID: header lines + +This could be added to "verify=header_syntax" or, if the incompatibility is +felt to be too great, an additional condition, or a sub-option, could be added. +------------------------------------------------------------------------------ + +(308) 24-Nov-04 S Add $body_longlinecount and $header_longlinecount + +These variables would hold the number of physical lines in the body and header +that were longer than 998 bytes. This would be fiddly to implement because of +the way Exim currently reads the input. It isn't just a trivial patch. +------------------------------------------------------------------------------ + +(309) 01-Dec-04 S/M Queue runners should get locks before forking + +If a queue-runner opened the -D file and took out the lock before forking, it +would waste fewer resources if the message was already being delivered. But how +often would this actually matter in practice? +------------------------------------------------------------------------------ + +(310) 06-Dec-04 S After "personal" save what matched + +The idea is to save the email address that actually was found in the message +in a variable so it can be used (e.g. as the From: address in an autoreply). +------------------------------------------------------------------------------ + +(311) 07-Dec-04 ? More flexible SMTP response codes + +The requestor wanted to be able to specify, for example, 551 in an ACL deny +instead of 550, and also vary the defer code. The first digit, however, should +remain fixed. In addition to main codes, enhanced status codes (RFC 2034) were +requested. (As far as I can tell, they have never been highly popular.) +------------------------------------------------------------------------------ + +(312) 10-Dec-04 ? Shadow remote transports + +Unless a lot of work is done, this would be restricted to another remote +transport. A similar effect could therefore be achieved with "shadow_hosts" +which are like fallback_hosts but which operate on success. +------------------------------------------------------------------------------ + +(313) 21-Jan-05 ? Multiple queues + +Exim runs poorly if its queue gets too big. Various ways round this are all +to some extent kludges. There has been a suggestion of using multiple +directories instead of just "input". (Originally it was for a whole set of +spool directories, but that introduces complications with the hint files.) +On message arrival, somehow a selection of "input" must be made. Then queue +runners must be startable for the different "queues". Don't forget that the +"msglog" directory is also involved. Perhaps add a new level of indirection: +/var/spool/exim/queue1/{input,msglog}, /var/spool/exim/queue2/.... +------------------------------------------------------------------------------ + +(314) 15-Feb-05 M Multiple headers_{add,remove} for routers + +If headers_{add,remove} could be specified multiple times, it would be easier +for those people that construct configs using .ifdef or .include, etc. +------------------------------------------------------------------------------ + +(315) 15-Feb-05 M String variables for use in filters. + +Currently, only numerical variables are supported. +------------------------------------------------------------------------------ +--- HWM 315 ------------------------------------------------------------------ ---------------------------- End of WishList ---------------------------------