Copyright for courier source package in Buster

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: courier
Upstream-Contact: Sam Varshavchik 
Source: https://www.courier-mta.org/

Files: *
Copyright: 1992-2018 Double Precision, Inc.
License: GPL-3+

Files: debian/*
Copyright: 2000 Dennis Schoen 
	   2000-2015 Stefan Hornburg 
	   2015 Ondřej Surý 
	   2017-2018 Markus Wanner 
License: GPL-3+

Files: debian/po/cs.po
Copyright: 2009,2019 Martin Sin 

Files: debian/po/da.po
Copyright: 2010 Joe Hansen 
License: GPL-3+

Files: debian/po/de.po
Copyright: 2004 Stefan Hornburg (Racke) 
           2007, 2008, 2017 Holger Wansing 

Files: debian/po/es.po
Copyright: 2001, 2003 Carlos Valdivia Yagüe 
           2008 Francisco Javier Cuadrado 
	   2019 Jonatan Porras 
License: GPL-3+

Files: debian/po/eu.po
Copyright: 2008 Piarres Beobide 
           2019 Iñaki Larrañaga Murgoitio 
License: GPL-3+

Files: debian/po/fi.po
Copyright: 2008 Esko Arajärvi 

Files: debian/po/fr.po
Copyright: 2006, 2007, 2008 Christian Perrier 
           2017 Alban Vidal 
License: GPL-3+

Files: debian/po/gl.po
Copyright: 2007, 2008 Jacobo Tarrio 
License: GPL-3+

Files: debian/po/it.po
Copyright: 2008 Luca Monducci 
License: GPL-3+

Files: debian/po/ja.po
Copyright: 2008 Hideki Yamane (Debian-JP) 

Files: debian/po/nl.po
Copyright: 2008 Bart Cornelis 
           2016,2019 Frans Spiesschaert 
License: GPL-3+

Files: debian/po/pt_BR.po
Copyright: 2007 André Luís Lopes 
License: GPL-3+

Files: debian/po/pt.po
Copyright: 2005-2008 Miguel Figueiredo 
           2017,2019 Rui Branco 

Files: debian/po/ru.po
Copyright: 2005 Yuriy Talakan' 
           2007 
	   2008 Yuri Kozlov 
	   2007, 2017 Sergey Alyoshin 

Files: debian/po/sv.po
Copyright: 2008 Martin Ågren 

Files: debian/po/tr.po
Copyright: 2004 Mehmet Türker 
License: GPL-3+

Files: debian/po/vi.po
Copyright: 2005-2008 Clytie Siddall 

Files: debian/po/zh_CN.po
Copyright: 2019 Yangfl 
License: GPL-3+

Files: debian/po/zh_TW.po
Copyright: 2019 Yangfl 
License: GPL-3+

License: GPL-3+
 This package 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 3 of the License, or
 (at your option) any later version.
 .
 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".