Email bounce detection code (wcs/ctl/Bounces/*) from Mailman:
# http://www.gnu.org/software/mailman/
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
Some artwork from GTK+:
# http://www.gtk.org/
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later
# version.
Some artwork from Dotclear:
# http://www.dotclear.net
#
# DotClear is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.