-The original, raw content of the email message is displayed.
-Consumers of this format should expect to implement MIME decoding and
-similar functions. This format must only be used with search terms
-matching a single message.
+The raw format must only be used with search terms matching single
+message.
+.RE
+.RE
+
+.RS 4
+.TP 4
+.B \-\-part=N
+
+Output the single decoded MIME part N of a single message. The search
+terms must match only a single message. Message parts are numbered in
+a depth-first walk of the message MIME structure, and are identified
+in the 'json' or 'text' output formats.
+.RE
+
+.RS 4
+.TP 4
+.B \-\-verify
+
+Compute and report the validity of any MIME cryptographic signatures
+found in the selected content (ie. "multipart/signed" parts). Status
+of the signature will be reported (currently only supported with
+--format=json), and the multipart/signed part will be replaced by the
+signed data.
+.RE
+
+.RS 4
+.TP 4
+.B \-\-decrypt