Change log file for Exim from version 4.21
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+Exim version 4.84.2
+-------------------
+Portability release
+
+
+Exim version 4.84.1
+-------------------
+HS/04 Add support for keep_environment and add_environment options.
+ Fix for CVE-2016-1531
+
Exim version 4.84
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