X-Git-Url: https://git.exim.org/users/heiko/exim.git/blobdiff_plain/03ca21f8477aae95346e288fd4608089adaa8117..dd7b74e90a96eaf109796d8f9499578571a1572c:/doc/doc-txt/NewStuff?ds=sidebyside diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff index 587dc6508..ac1968627 100644 --- a/doc/doc-txt/NewStuff +++ b/doc/doc-txt/NewStuff @@ -21,13 +21,48 @@ Version 4.88 N can be 224, 256 (default), 384, 512. With GnuTLS 3.5.0 or later, only. - 5. Facility for named queues: A commandline argument can specify + 5. Facility for named queues: A command-line argument can specify the queue name for a queue operation, and an ACL modifier can set the queue to be used for a message. A $queue_name variable gives visibility. 6. New expansion operators base32/base32d. + 7. The CHUNKING ESMTP extension from RFC 3030. May give some slight + performance increase and network load decrease. Main config option + chunking_advertise_hosts, and smtp transport option hosts_try_chunking + for control. + + 8. LMDB lookup support, as Experimental. Patch supplied by Andrew Colin Kissa. + + 9. Expansion operator escape8bit, like escape but not touching newline etc.. + +10. Feature macros, generated from compile options. All start with "_HAVE_" + and go on with some roughly recognisable name. Driver macros, for + router, transport and authentication drivers; names starting with "_DRVR_". + Option macros, for each configuration-file option; all start with "_OPT_". + Use the "-bP macros" command-line option to see what is present. + +11. Integer values for options can take a "G" multiplier. + +12. defer=pass option for the ACL control cutthrough_delivery, to reflect 4xx + returns from the target back to the initiator, rather than spooling the + message. + +13. New built-in constants available for tls_dhparam and default changed. + +14. If built with EXPERIMENTAL_QUEUEFILE, a queuefile transport, for writing + out copies of the message spool files for use by 3rd-party scanners. + +15. A new option on the smtp transport, hosts_try_fastopen. If the system + supports it (on Linux it must be enabled in the kernel by the sysadmin) + try to use RFC 7413 "TCP Fast Open". No data is sent on the SYN segment + but it permits a peer that also supports the facility to send its SMTP + banner immediately after the SYN,ACK segment rather then waiting for + another ACK - so saving up to one roundtrip time. Because it requires + previous communication with the peer (we save a cookie from it) this + will only become active on frequently-contacted destinations. + Version 4.87 ------------ @@ -55,7 +90,7 @@ Version 4.87 synonym of the latter). Add support in base64 for certificates. 8. New main configuration option "bounce_return_linesize_limit" to - avoid oversize bodies in bounces. The dafault value matches RFC + avoid oversize bodies in bounces. The default value matches RFC limits. 9. New $initial_cwd expansion variable. @@ -75,7 +110,7 @@ Version 4.86 5. Assorted options on malware= and spam= scanners. - 6. A commandline option to write a comment into the logfile. + 6. A command-line option to write a comment into the logfile. 7. If built with EXPERIMENTAL_SOCKS feature enabled, the smtp transport can be configured to make connections via socks5 proxies. @@ -103,7 +138,7 @@ 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 + 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. @@ -299,7 +334,7 @@ Version 4.82 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 + particularly for debug_print as -bt command-line option does not require privilege whereas -d does. 18. If built with EXPERIMENTAL_PRDR, per-recipient data responses per a