parts ("attachments") all parts are decoded. Decoding can be controlled by
command-line options.
+WHAT'S NEW in version 2.3.7 (2014-02-23)
+
+ Add option -r to remove headers and option -R to remove header's parameters.
+
WHAT'S NEW in version 2.3.6 (2014-02-19)
Decode "To", "Cc", "Reply-To" and "Mail-Followup-To" headers by default.