@c -*-texinfo-*-
@c
-@c Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+@c Copyright (C) 2004-2011 Free Software Foundation, Inc.
@c
@c Permission is granted to anyone to make or distribute verbatim copies
@c of this document as received, in any medium, provided that the
@item Message \e$B%b!<%I$NJQ99\e(B
@itemize @bullet
+@item \e$B$9$Y$F$NAw?.:Q$_%a%C%;!<%8$N%G%#%U%)%k%H$NJ]B8@h$,!"7n$4$H\e(B
+\e$B$N\e(B nnfolder \e$B%"!<%+%$%V$K$J$j$^$7$?!#\e(B
+
@item Gnus \e$B$O!H\e(Bhashcash\e$B!I\e(Bclient puzzle anti-spam \e$B$N5!9=$r%5%]!<%H$7$^$9!#\e(B
@code{(setq message-generate-hashcash t)} \e$B$GM-8z$K$J$j$^$9!#\e(B
@xref{Hashcash}.