It is useful to set this variable in the site customization file.")
;;;###autoload
-(defvar rmail-ignored-headers "^via:\\|^mail-from:\\|^origin:\\|^status:\\|^received:\\|^message-id:\\|^summary-line:" "\
-*Gubbish headers one would rather not see.")
+(defvar rmail-ignored-headers "^via:\\|^mail-from:\\|^origin:\\|^status:\\|^received:\\|^x400-originator:\\|^x400-recipients:\\|^x400-received:\\|^x400-mts-identifier:\\|^x400-content-type:\\|^message-id:\\|^summary-line:" "\
+*Regexp to match Header fields that rmail should normally hide.")
;;;###autoload
(defvar rmail-delete-after-output nil "\