found in that message, since it was able to index the built-in
protected headers directly.
+ ``index.repaired=mixedup`` indicates the repair of a "Mixed Up"
+ encrypted PGP/MIME message, a mangling typically produced by
+ Microsoft's Exchange MTA. See
+ https://tools.ietf.org/html/draft-dkg-openpgp-pgpmime-message-mangling
+ for more information.
+
SEE ALSO
========