X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/45b915963e2e3721fc65c7c3f50f2f65f5c54d1b..26da7e207f1978012085c096366d623dc15b9778:/doc/doc-txt/NewStuff diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff index 4f7ca8470..ae4043cc1 100644 --- a/doc/doc-txt/NewStuff +++ b/doc/doc-txt/NewStuff @@ -1,35 +1,88 @@ -$Cambridge: exim/doc/doc-txt/NewStuff,v 1.104 2006/06/28 16:00:23 ph10 Exp $ +$Cambridge: exim/doc/doc-txt/NewStuff,v 1.111 2006/09/25 10:14:20 ph10 Exp $ New Features in Exim -------------------- -This file contains descriptions of new features that have been added to Exim, -but have not yet made it into the main manual (which is most conveniently -updated when there is a relatively large batch of changes). The doc/ChangeLog -file contains a listing of all changes, including bug fixes. +This file contains descriptions of new features that have been added to Exim. +Before a formal release, there may be quite a lot of detail so that people can +test from the snapshots or the CVS before the documentation is updated. Once +the documentation is updated, this file is reduced to a short list. + + +Version 4.64 +------------ + +1. ACL variables can now be given arbitrary names, as long as they start with + "acl_c" or "acl_m" (for connection variables and message variables), are + at least six characters long, with the sixth character being either a digit + or an underscore. The rest of the name can contain alphanumeric characters + and underscores. This is a compatible change because the old set of + variables such as acl_m12 are a subset of the allowed names. There may now + be any number of ACL variables. For example: + + set acl_c13 = value for original ACL variable + set acl_c13b = whatever + set acl_m_foo = something + + What happens if a syntactically valid but undefined ACL variable is + referenced depends on the setting of the strict_acl_vars option. If it is + false (the default), an empty string is substituted; if it is true, an error + is generated. This affects all ACL variables, including the "old" ones such + as acl_c4. (Previously there wasn't the concept of an undefined ACL + variable.) + + The implementation has been done in such a way that spool files containing + ACL variable settings written by previous releases of Exim are compatible + and can be read by the new release. If only the original numeric names are + used, spool files written by the new release can be read by earlier + releases. + +2. There is a new ACL modifier called log_reject_target. It makes it possible + to specify which logs are used for messages about ACL rejections. Its + argument is a list of words which can be "main", "reject", or "panic". The + default is "main:reject". The list may be empty, in which case a rejection + is not logged at all. For example, this ACL fragment writes no logging + information when access is denied: + + deny + log_reject_target = + + The modifier can be used in SMTP and non-SMTP ACLs. It applies to both + permanent and temporary rejections. + Version 4.63 ------------ 1. There is a new Boolean option called filter_prepend_home for the redirect - router. It defaults true, for backward compatibility. If a "save" command in - an Exim filter has a relative path for its argument, and $home is defined, - it is automatically prepended to the relative path. This action can now be - prevented by setting filter_prepend_home false. + router. 2. There is a new acl, set by acl_not_smtp_start, which is run right at the start of receiving a non-SMTP message, before any of the message has been - read. (This is the analogue of the acl_smtp_predata ACL for SMTP input.) The - result of this ACL is ignored; it cannot be used to reject a message. If - you really need to, you could set a value in an ACL variable here and reject - based on that in the acl_not_smtp ACL. However, this ACL can be used to set - controls, and in particular, it can be used to set control=suppress_local_ - fixups, which cannot be used in the acl_not_smtp ACL because by the time - that ACL is run, it is too late. When the acl_not_smtp_start ACL is run, the - sender and recipients are known, so the "senders" and "sender_domains" - conditions and $sender_address and $recipients variables can be used. - Variables such as $authenticated_ sender are also available. It is possible - to specify added header lines in this ACL. + read. + +3. When an SMTP error message is specified in a "message" modifier in an ACL, + or in a :fail: or :defer: message in a redirect router, Exim now checks the + start of the message for an SMTP error code. + +4. There is a new parameter for LDAP lookups called "referrals", which takes + one of the settings "follow" (the default) or "nofollow". + +5. Version 20070721.2 of exipick now included, offering these new options: + --reverse + After all other sorting options have bee processed, reverse order + before displaying messages (-R is synonym). + --random + Randomize order of matching messages before displaying. + --size + Instead of displaying the matching messages, display the sum + of their sizes. + --sort [,...] + Before displaying matching messages, sort the messages according to + each messages value for each variable. + --not + Negate the value for every test (returns inverse output from the + same criteria without --not). Version 4.62