Copyright for courier-filter-perl source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Courier-Filter
Upstream-Contact: Julian Mehnle 
Source: https://metacpan.org/release/Courier-Filter

Files: *
Copyright: 2003-2008, Julian Mehnle 
License: Artistic or GPL-2+

Files: debian/*
Copyright: 2004, 2005, 2008, Julian Mehnle 
 2011-2015, gregor herrmann 
License: Artistic or GPL-2+

Files: debian/repack.stub
Copyright: 2009, Ryan Niebur 
License: Artistic or GPL-2+

License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, which comes with Perl.
 .
 On Debian systems, the complete text of the Artistic License can be
 found in `/usr/share/common-licenses/Artistic'.

License: GPL-2+
 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.
 .
 On Debian systems, the complete text of version 2 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.