parts ("attachments") all parts are decoded. Decoding can be controlled by
command-line options.
+WHAT'S NEW in version 2.3.6 (2014-02-19)
+
+ Decode "To", "Cc", "Reply-To" and "Mail-Followup-To" headers by default.
+
+ Report test progress and success.
+
+ Add tests for headers and parameters decoding.
+
+ Add tests for passing (-b) and skipping (-i) message bodies.
+
WHAT'S NEW in version 2.3.4 (2014-02-11)
Optimize recursive decoding.