diff options
Diffstat (limited to 'doc/doc-txt')
| -rw-r--r-- | doc/doc-txt/ChangeLog | 22 | ||||
| -rw-r--r-- | doc/doc-txt/NewStuff | 10 | ||||
| -rw-r--r-- | doc/doc-txt/experimental-spec.txt | 75 |
3 files changed, 105 insertions, 2 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 1e8a2d216..9f8775f0f 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -3,6 +3,28 @@ affect Exim's operation, with an unchanged configuration file. For new options, and new features, see the NewStuff file next to this ChangeLog. +Exim version 4.94 +----------------- + +JH/01 Avoid costly startup code when not strictly needed. This reduces time + for some exim process initialisations. It does mean that the logging + of TLS configuration problems is only done for the daemon startup. + +JH/02 Early-pipelining support code is now included unless disabled in Makefile. + +JH/03 DKIM verification defaults no long accept sha1 hashes, to conform to + RFC 8301. They can still be enabled, using the dkim_verify_hashes main + option. + +JH/04 Support CHUNKING from an smtp transport using a transport_filter, when + DKIM signing is being done. Previously a transport_filter would always + disable CHUNKING, falling back to traditional DATA. + +JH/05 Regard command-line receipients as tainted. + +JH/06 Bug 340: Remove the daemon pid file on exit, whe due to SIGTERM. + + Exim version 4.93 ----------------- diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff index fc307a3ba..763a806a5 100644 --- a/doc/doc-txt/NewStuff +++ b/doc/doc-txt/NewStuff @@ -6,6 +6,16 @@ Before a formal release, there may be quite a lot of detail so that people can test from the snapshots or the Git before the documentation is updated. Once the documentation is updated, this file is reduced to a short list. +Version 4.94 +------------ + + 1. EXPERIMENTAL_SRS_NATIVE optional build feature. See the experimental.spec + file. + + 2. Channel-binding for authenticators is now supported under OpenSSL. + Previously it was GnuTLS-only. + + Version 4.93 ------------ diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt index 5193f1729..2569ad3af 100644 --- a/doc/doc-txt/experimental-spec.txt +++ b/doc/doc-txt/experimental-spec.txt @@ -292,10 +292,11 @@ These four steps are explained in more details below. -SRS (Sender Rewriting Scheme) Support +SRS (Sender Rewriting Scheme) Support (using libsrs_alt) -------------------------------------------------------------- +See also below, for an alternative native support implementation. -Exiscan currently includes SRS support via Miles Wilton's +Exim currently includes SRS support via Miles Wilton's libsrs_alt library. The current version of the supported library is 0.5, there are reports of 1.0 working. @@ -343,6 +344,76 @@ For configuration information see https://github.com/Exim/exim/wiki/SRS . +SRS (Sender Rewriting Scheme) Support (native) +-------------------------------------------------------------- +This is less full-featured than the libsrs_alt version above. + +The Exim build needs to be done with this in Local/Makefile: +EXPERIMENTAL_SRS_NATIVE=yes + +The following are provided: +- an expansion item "srs_encode" + This takes three arguments: + - a site SRS secret + - the return_path + - the pre-forwarding domain + +- an expansion condition "inbound_srs" + This takes two arguments: the local_part to check, and a site SRS secret. + If the secret is zero-length, only the pattern of the local_part is checked. + The $srs_recipient variable is set as a side-effect. + +- an expansion variable $srs_recipient + This gets the original return_path encoded in the SRS'd local_part + +- predefined macros _HAVE_SRS and _HAVE_NATIVE_SRS + +Sample usage: + + #macro + SRS_SECRET = <pick something unique for your site for this> + + #routers + + outbound: + driver = dnslookup + # if outbound, and forwarding has been done, use an alternate transport + domains = ! +my_domains + transport = ${if eq {$local_part@$domain} \ + {$original_local_part@$original_domain} \ + {remote_smtp} {remote_forwarded_smtp}} + + inbound_srs: + driver = redirect + senders = : + domains = +my_domains + # detect inbound bounces which are SRS'd, and decode them + condition = ${if inbound_srs {$local_part} {SRS_SECRET}} + data = $srs_recipient + + inbound_srs_failure: + driver = redirect + senders = : + domains = +my_domains + # detect inbound bounces which look SRS'd but are invalid + condition = ${if inbound_srs {$local_part} {}} + allow_fail + data = :fail: Invalid SRS recipient address + + #... further routers here + + + # transport; should look like the non-forward outbound + # one, plus the max_rcpt and return_path options + remote_forwarded_smtp: + driver = smtp + # modify the envelope from, for mails that we forward + max_rcpt = 1 + return_path = ${srs_encode {SRS_SECRET} {$return_path} {$original_domain}} + + + + DCC Support -------------------------------------------------------------- Distributed Checksum Clearinghouse; http://www.rhyolite.com/dcc/ |