Fix continue_more on TLS connection. Bug 2104

[exim.git] / doc / doc-txt / ChangeLog

diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 583125a3bc63d0076a3fc75d02cbfb7d84428cf1..a7b441e643a7f047934f368b276625163809bf99 100644 (file)
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -19,6 +19,60 @@ PP/01 Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
 JH/02 Rework error string handling in DKIM to pass more info back to callers.
       This permits better logging.
 
+JH/03 Rework the transport continued-connection mechanism: when TLS is active,
+      do not close it down and have the child transport start it up again on
+      the passed-on TCP connection.  Instead, proxy the child (and any
+      subsequent ones) for TLS via a unix-domain socket channel.  Logging is
+      affected: the continued delivery log lines do not have any DNSSEC, TLS
+      Certificate or OCSP information.  TLS cipher information is still logged.
+
+JH/04 Shorten the log line for daemon startup by collapsing adjacent sets of
+      identical IP addresses on different listening ports.  Will also affect
+      "exiwhat" output.
+
+PP/02 Bug 2070: uClibc defines __GLIBC__ without providing glibc headers;
+      add noisy ifdef guards to special-case this sillyness.
+      Patch from Bernd Kuhls.
+
+JH/05 Tighten up the checking in isip4 (et al): dotted-quad components larger
+      than 255 are no longer allowed.
+
+JH/06 Default openssl_options to include +no_ticket, to reduce load on peers.
+      Disable the session-cache too, which might reduce our load.  Since we
+      currrectly use a new context for every connection, both as server and
+      client, there is no benefit for these.
+      GnuTLS appears to not support tickets server-side by default (we don't
+      call gnutls_session_ticket_enable_server()) but client side is enabled
+      by default on recent versions (3.1.3 +) unless the PFS priority string
+      is used (3.2.4 +).
+
+PP/03 Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
+      <https://reproducible-builds.org/specs/source-date-epoch/>.
+
+JH/07 Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
+      the check for any unsuccessful recipients did not notice the limit, and
+      erroneously found still-pending ones.
+
+JH/08 Pipeline CHUNKING command and data together, on kernels that support
+      MSG_MORE.  Only in-clear (not on TLS connections).
+
+JH/09 Avoid using a temporary file during transport using dkim.  Unless a
+      transport-filter is involved we can buffer the headers in memory for
+      creating the signature, and read the spool data file once for the
+      signature and again for transmission.
+
+JH/10 Enable use of sendfile in Linux builds as default.  It was disabled in
+      4.77 as the kernel support then wasn't solid, having issues in 64bit
+      mode.  Now, it's been long enough.
+
+JH/11 Bug 2104: Fix continued use of a transport connection with TLS.  In the
+      case where the routing stage had gathered several addresses to send to
+      a host before calling the transport for the first, we previously failed
+      to close down TLS in the old transport process before passing the TCP
+      connection to the new process.  The new one sent a STARTTLS command
+      which naturally failed, giving a failed delivery and bloating the retry
+      database.  Investigation and fix prototype from Wolfgang Breyha.
+
 
 Exim version 4.89
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@@ -126,6 +180,8 @@ PP/09 Wrote util/chunking_fixqueue_finalnewlines.pl to help recover
 
 JH/18 Bug 2061: Fix ${extract } corrupting an enclosing ${reduce }  $value.
 
+JH/19 Fix reference counting bug in routing-generated-address tracking.
+
 
 Exim version 4.88
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