Copyright for amispammer source package in Buster

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: amispammer
Source: http://www.lorenzomartinez.es/projs/amispammer/debian/

Files: *
Copyright: 2009-2011, Lorenzo Martínez Rodríguez 
License: GPL-3.0

Files: debian/*
Copyright: 2010-2015 Julián Moreno Patiño 
License: GPL-3.0

License: GPL-3.0
 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.
 .
 This package 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.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see .
 .
 On Debian systems, the complete text of the GNU General
 Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".