Hints DB: harden against corrupt files by ignoring unexpected size records

[users/heiko/exim.git] / doc / doc-txt / experimental-spec.txt

diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 8c9a866a20740cb764cd2ddfcd33de963301cd57..47cd93f3d94f4c9330119047521487b276380144 100644 (file)
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -639,7 +639,7 @@ used via the transport in question.
 
 
 Dovecot authenticator via inet socket
-------------------------------------
+--------------------------------------------------------------
 If Dovecot is configured similar to :-
 
 service auth {
@@ -666,29 +666,19 @@ and a whitespace-separated port number must be given.
 
 
 
-Twophase queue run fast ramp
-----------------------------
-To include this feature, add to Local/Makefile:
-  EXPERIMENTAL_QUEUE_RAMP=yes
-
-If the (added for this feature) main-section option "queue_fast_ramp" (boolean)
-is set, and a two-phase ("-qq") queue run finds, during the first phase, a
-suitably large number of message routed for a given host - then (subject to
-the usual queue-runner resource limits) delivery for that host is initiated
-immediately, overlapping with the remainder of the first phase.
-
-This is incompatible with queue_run_in_order.
-
-The result should be a faster startup of deliveries when a large queue is
-present and reasonable numbers of messages are routed to common hosts; this
-could be a smarthost case, or delivery onto the Internet where a large proportion
-of recipients hapen to be on a Gorilla-sized provider.
 
-As usual, the presence of a configuration option is associated with a
-predefined macro, making it possible to write portable configurations.
-For this one, the macro is _OPT_MAIN_QUEUE_FAST_RAMP.
+Logging protocol unusual states
+---------------------------------------------------------------
+An extra log_selector, "protocol_detail" has been added in the default build.
+The name may change in future, hence the Experimenal status.
 
+Currrently the only effect is to enable logging, under TLS,
+of a TCP RST received directly after a QUIT (in server mode).
 
+Outlook is consistently doing this; not waiting for the SMTP response
+to its QUIT, not properly closing the TLS session and not properly closing
+the TCP connection.  Previously this resulted is an error from SSL_write
+being logged.
 
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