Upstream sources of apsfilter were obtained from . The original author is Andreas Klemm . apsfilter was packaged for Debian by Martin Schulze , and subsequently maintained by Matej Vela . Copyright by Andreas Klemm Copyright 1993-2001 You are permitted to use the apsfilter package in the terms of the GNU General Public License. "Postcard License". If you use apsfilter for business or home purposes, then please send me a postcard. This product is otherwise free of charge. You can get my address automaticall by writing to this e-mail address: request-snailmail@klemm.gtn.com The Debian packaging is copyright (C) 1998 Martin Schulze, (C) 1999-2001 Matej Vela, and also released under the terms of the GNU General Public License; version 2, or any later version. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.