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

diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index f3f849af6cac68fab668788ad9e3b19acc80cb0f..eb0e1a346f21f0e3c3604b0d6ba4265eb45129e8 100644 (file)
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -146,7 +146,19 @@ JH/28 Ensure that variables possibly set during message acceptance are marked
       about them when the debug_store option is enabled.  Discovered specifically
       for sender_rate_period, but applies to a whole set of variables.
       Do the same for the queue-runner loop, for variables set from spool
-      message files.
+      message files.  Do the same for the SMTP per-message loop, for certain
+      variables indirectly set in ACL operations.
+
+JH/29 Bug 2250: Fix a longstanding bug in heavily-pipelined SMTP input (such
+      as a multi-recipient message from a mailinglist manager).  The coding had
+      an arbitrary cutoff number of characters while checking for more input;
+      enforced by writing a NUL into the buffer.  This corrupted long / fast
+      input.   The problem was exposed more widely when more pipelineing of SMTP
+      responses was introduced, and one Exim system was feeding another.
+      The symptom is log complaints of SMTP syntax error (NUL chars) on the
+      receiving system, and refused recipients seen by the sending system
+      (propating to people being dropped from mailing lists).
+      Discovered and pinpointed by David Carter.
 
 
 Exim version 4.90