Move DSN support to mainline

[users/heiko/exim.git] / doc / doc-txt / NewStuff

diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff
index e684344c909d5ca0d0b66de5b93138843f9fbd2b..c371cb2dde1d3a3383a7ce70ed5df1776222ccce 100644 (file)
--- a/doc/doc-txt/NewStuff
+++ b/doc/doc-txt/NewStuff
@@ -6,7 +6,92 @@ 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.
 
 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 4.81
+Version 4.86
+------------
+
+ 1. Support for using the system standard CA bundle.
+
+ 2. New expansion items $config_file, $config_dir, containing the file
+    and directory name of the main configuration file. Also $exim_version.
+
+ 3. New "malware=" support for Avast.
+
+Version 4.85
+------------
+
+ 1. If built with EXPERIMENTAL_DANE feature enabled, Exim will follow the
+    DANE smtp draft to assess a secure chain of trust of the certificate
+    used to establish the TLS connection based on a TLSA record in the
+    domain of the sender.
+
+ 2. The EXPERIMENTAL_TPDA feature has been renamed to EXPERIMENTAL_EVENT
+    and several new events have been created. The reason is because it has
+    been expanded beyond just firing events during the transport phase. Any
+    existing TPDA transport options will have to be rewritten to use a new
+    $event_name expansion variable in a condition. Refer to the
+    experimental-spec.txt for details and examples.
+
+ 3. The EXPERIMENTAL_CERTNAMES features is an enhancement to verify that
+    server certs used for TLS match the result of the MX lookup. It does
+    not use the same mechanism as DANE.
+
+
+Version 4.84
+------------
+
+
+Version 4.83
+------------
+
+ 1. If built with the EXPERIMENTAL_PROXY feature enabled, Exim can be
+    configured to expect an initial header from a proxy that will make the
+    actual external source IP:host be used in exim instead of the IP of the
+    proxy that is connecting to it.
+
+ 2. New verify option header_names_ascii, which will check to make sure
+    there are no non-ASCII characters in header names.  Exim itself handles
+    those non-ASCII characters, but downstream apps may not, so Exim can
+    detect and reject if those characters are present.
+
+ 3. New expansion operator ${utf8clean:string} to replace malformed UTF8
+    codepoints with valid ones.
+
+ 4. New malware type "sock".  Talks over a Unix or TCP socket, sending one
+    command line and matching a regex against the return data for trigger
+    and a second regex to extract malware_name.  The mail spoolfile name can
+    be included in the command line.
+
+ 5. The smtp transport now supports options "tls_verify_hosts" and
+    "tls_try_verify_hosts".  If either is set the certificate verification
+    is split from the encryption operation. The default remains that a failed
+    verification cancels the encryption.
+
+ 6. New SERVERS override of default ldap server list.  In the ACLs, an ldap
+    lookup can now set a list of servers to use that is different from the
+    default list.
+
+ 7. New command-line option -C for exiqgrep to specify alternate exim.conf
+    file when searching the queue.
+
+ 8. OCSP now supports GnuTLS also, if you have version 3.1.3 or later of that.
+
+ 9. Support for DNSSEC on outbound connections.
+
+10. New variables "tls_(in,out)_(our,peer)cert" and expansion item
+    "certextract" to extract fields from them. Hash operators md5 and sha1
+    work over them for generating fingerprints, and a new sha256 operator
+    for them added.
+
+11. PRDR is now supported dy default.
+
+12. OCSP stapling is now supported by default.
+
+13. If built with the EXPERIMENTAL_DSN feature enabled, Exim will output
+    Delivery Status Notification messages in MIME format, and negociate
+    DSN features per RFC 3461.
+
+
+Version 4.82

 ------------
 
  1. New command-line option -bI:sieve will list all supported sieve extensions
 ------------
 
  1. New command-line option -bI:sieve will list all supported sieve extensions


@@ -32,10 +117,11 @@ Version 4.81
     Unless you really know what you are doing, leave it alone.
 
  4. If not built with DISABLE_DNSSEC, Exim now has the main option
     Unless you really know what you are doing, leave it alone.
 
  4. If not built with DISABLE_DNSSEC, Exim now has the main option

-    dns_use_dnssec; if set to 1 then Exim will initialise the resolver library
+    dns_dnssec_ok; if set to 1 then Exim will initialise the resolver library

     to send the DO flag to your recursive resolver.  If you have a recursive
     resolver, which can set the Authenticated Data (AD) flag in results, Exim
     to send the DO flag to your recursive resolver.  If you have a recursive
     resolver, which can set the Authenticated Data (AD) flag in results, Exim

-    can now detect this.
+    can now detect this.  Exim does not perform validation itself, instead
+    relying upon a trusted path to the resolver.

 
     Current status: work-in-progress; $sender_host_dnssec variable added.
 
 
     Current status: work-in-progress; $sender_host_dnssec variable added.
 


@@ -73,7 +159,7 @@ Version 4.81
     early in reception rather than at the end; this will affect any timestamp
     included.  The log line showing delivery is recorded before that showing
     reception; it uses a new ">>" tag instead of "=>".
     early in reception rather than at the end; this will affect any timestamp
     included.  The log line showing delivery is recorded before that showing
     reception; it uses a new ">>" tag instead of "=>".

-    
+

     To support the feature, verify-callout connections can now use ESMTP and TLS.
     The usual smtp transport options are honoured, plus a (new, default everything)
     hosts_verify_avoid_tls.
     To support the feature, verify-callout connections can now use ESMTP and TLS.
     The usual smtp transport options are honoured, plus a (new, default everything)
     hosts_verify_avoid_tls.


@@ -82,12 +168,12 @@ Version 4.81
     for specific access to the information for each connection.  The old names
     are present for now but deprecated.
 
     for specific access to the information for each connection.  The old names
     are present for now but deprecated.
 

-    Not yet supported: IGNOREQUOTA, SIZE, PIPELINING, AUTH.
+    Not yet supported: IGNOREQUOTA, SIZE, PIPELINING.

 
  8. New expansion operators ${listnamed:name} to get the content of a named list
     and ${listcount:string} to count the items in a list.
 
 
  8. New expansion operators ${listnamed:name} to get the content of a named list
     and ${listcount:string} to count the items in a list.
 

- 9. New global option "gnutls_enable_pkcs11", defaults false.  The GnuTLS
+ 9. New global option "gnutls_allow_auto_pkcs11", defaults false.  The GnuTLS

     rewrite in 4.80 combines with GnuTLS 2.12.0 or later, to autoload PKCS11
     modules.  For some situations this is desirable, but we expect admin in
     those situations to know they want the feature.  More commonly, it means
     rewrite in 4.80 combines with GnuTLS 2.12.0 or later, to autoload PKCS11
     modules.  For some situations this is desirable, but we expect admin in
     those situations to know they want the feature.  More commonly, it means


@@ -96,6 +182,13 @@ Version 4.81
     through, thus breakage.  So we explicitly inhibit the PKCS11 initialisation
     unless this new option is set.
 
     through, thus breakage.  So we explicitly inhibit the PKCS11 initialisation
     unless this new option is set.
 

+    Some older OS's with earlier versions of GnuTLS might not have pkcs11 ability,
+    so have also added a build option which can be used to build Exim with GnuTLS
+    but without trying to use any kind of PKCS11 support.  Uncomment this in the
+    Local/Makefile:
+
+    AVOID_GNUTLS_PKCS11=yes
+

 10. The "acl = name" condition on an ACL now supports optional arguments.
     New expansion item "${acl {name}{arg}...}" and expansion condition
     "acl {{name}{arg}...}" are added.  In all cases up to nine arguments
 10. The "acl = name" condition on an ACL now supports optional arguments.
     New expansion item "${acl {name}{arg}...}" and expansion condition
     "acl {{name}{arg}...}" are added.  In all cases up to nine arguments


@@ -109,6 +202,56 @@ Version 4.81
 11. Routers and transports can now have multiple headers_add and headers_remove
     option lines.  The concatenated list is used.
 
 11. Routers and transports can now have multiple headers_add and headers_remove
     option lines.  The concatenated list is used.
 

+12. New ACL modifier "remove_header" can remove headers before message gets
+    handled by routers/transports.
+
+13. New dnsdb lookup pseudo-type "a+".  A sequence of "a6" (if configured),
+    "aaaa" and "a" lookups is done and the full set of results returned.
+
+14. New expansion variable $headers_added with content from ACL add_header
+    modifier (but not yet added to messsage).
+
+15. New 8bitmime status logging option for received messages.  Log field "M8S".
+
+16. New authenticated_sender logging option, adding to log field "A".
+
+17. New expansion variables $router_name and $transport_name.  Useful
+    particularly for debug_print as -bt commandline option does not
+    require privilege whereas -d does.
+
+18. If built with EXPERIMENTAL_PRDR, per-recipient data responses per a
+    proposed extension to SMTP from Eric Hall.
+
+19. The pipe transport has gained the force_command option, to allow
+    decorating commands from user .forward pipe aliases with prefix
+    wrappers, for instance.
+
+20. Callout connections can now AUTH; the same controls as normal delivery
+    connections apply.
+
+21. Support for DMARC, using opendmarc libs, can be enabled. It adds new
+    options: dmarc_forensic_sender, dmarc_history_file, and dmarc_tld_file.
+    It adds new expansion variables $dmarc_ar_header, $dmarc_status,
+    $dmarc_status_text, and $dmarc_used_domain.  It adds a new acl modifier
+    dmarc_status.  It adds new control flags dmarc_disable_verify and
+    dmarc_enable_forensic.
+
+22. Add expansion variable $authenticated_fail_id, which is the username
+    provided to the authentication method which failed.  It is available
+    for use in subsequent ACL processing (typically quit or notquit ACLs).
+
+23. New ACL modifer "udpsend" can construct a UDP packet to send to a given
+    UDP host and port.
+
+24. New ${hexquote:..string..} expansion operator converts non-printable
+    characters in the string to \xNN form.
+
+25. Experimental TPDA (Transport Post Delivery Action) function added.
+    Patch provided by Axel Rau.
+
+26. Experimental Redis lookup added. Patch provided by Warren Baker.
+
+

 Version 4.80
 ------------
 
 Version 4.80
 ------------
 


@@ -179,7 +322,7 @@ Version 4.80
     gnutls_require_mac & gnutls_require_protocols are no longer supported.
     tls_require_ciphers is now parsed by gnutls_priority_init(3) as a priority
     string, documentation for which is at:
     gnutls_require_mac & gnutls_require_protocols are no longer supported.
     tls_require_ciphers is now parsed by gnutls_priority_init(3) as a priority
     string, documentation for which is at:

-    http://www.gnu.org/software/gnutls/manual/html_node/Priority-Strings.html
+    http://www.gnutls.org/manual/html_node/Priority-Strings.html

 
     SNI support has been added to Exim's GnuTLS integration too.
 
 
     SNI support has been added to Exim's GnuTLS integration too.
 


@@ -355,13 +498,13 @@ Version 4.73
     then henceforth you will have to maintain your own local patches to strip
     the safeties off.
 
     then henceforth you will have to maintain your own local patches to strip
     the safeties off.
 

- 8. There is a new expansion operator, bool_lax{}.  Where bool{} uses the ACL
+ 8. There is a new expansion condition, bool_lax{}.  Where bool{} uses the ACL

     condition logic to determine truth/failure and will fail to expand many
     strings, bool_lax{} uses the router condition logic, where most strings
     do evaluate true.
     Note: bool{00} is false, bool_lax{00} is true.
 
     condition logic to determine truth/failure and will fail to expand many
     strings, bool_lax{} uses the router condition logic, where most strings
     do evaluate true.
     Note: bool{00} is false, bool_lax{00} is true.
 

- 9. Routers now support multiple "condition" tests,
+ 9. Routers now support multiple "condition" tests.

 
 10. There is now a runtime configuration option "tcp_wrappers_daemon_name".
     Setting this allows an admin to define which entry in the tcpwrappers
 
 10. There is now a runtime configuration option "tcp_wrappers_daemon_name".
     Setting this allows an admin to define which entry in the tcpwrappers