Change log file for Exim from version 4.21
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+Exim version 4.86.2
+-------------------
+Portability relase of 4.86.1
+Exim version 4.86.1
+-------------------
HS/04 Add support for keep_environment and add_environment options.
+ This fixes CVE-2016-1531.
+
Exim version 4.86
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JH/01 Bug 1545: The smtp transport option "retry_include_ip_address" is now