one part. If it is a MIME message with multiple parts ("attachments") all parts
are decoded. Decoding can be controlled by command-line options.
+WHAT'S NEW in version 2.3.2 (2014-02-01)
+ Fix a bug - do not generate 'From ' headers in subparts.
+
+ Add option --host.
+
+ Add tests.
+
WHAT'S NEW in version 2.3.1 (2014-01-31)
Update documentation.