+Mailman custom filter plugin
+(c) 2011 Jan Moskyto Matejka <moskyto@atrey.karlin.mff.cuni.cz>
+
+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, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+A full copy of the GNU GPL can be found in /usr/share/common-licenses on
+Debian systems.