* PDKIM - a RFC4871 (DKIM) implementation
*
* Copyright (C) 2009 - 2012 Tom Kistner <tom@duncanthrax.net>
- * Copyright (c) 2016 - 2018 Jeremy Harris
+ * Copyright (c) 2016 - 2020 Jeremy Harris
+ * SPDX-License-Identifier: GPL-2.0-or-later
*
* http://duncanthrax.net/pdkim/
*