Overall:
# This software is provided 'as-is', without any express or implied
# warranty.  In no event will the author be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
#    claim that you wrote the original software. If you use this software
#    in a product, an acknowledgment in the product documentation would be
#    appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
#    misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
#
# Copyright (c) 2017 Valimail Inc
# Contact: Gene Shuman <gene@valimail.com>


authheaders/dmarc_lookup.py:
# Copyright © 2014, 2015, 2016 OnlineGroups.net and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
# Original software part of https://github.com/groupserver/gs.dmarc/
#
# This has been modified from the original software.
# 01/24/2017 Valimail Inc
# Contact: Gene Shuman <gene@valimail.com>

Zope Public License (ZPL) Version 2.1

A copyright notice accompanies this license document that identifies the
copyright holders.

This license has been certified as open source. It has also been designated as
GPL compatible by the Free Software Foundation (FSF).

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions in source code must retain the accompanying copyright
notice, this list of conditions, and the following disclaimer.

2. Redistributions in binary form must reproduce the accompanying copyright
notice, this list of conditions, and the following disclaimer in the
documentation and/or other materials provided with the distribution.

3. Names of the copyright holders must not be used to endorse or promote
products derived from this software without prior written permission from the
copyright holders.

4. The right to distribute this software or to use it for any purpose does not
give you the right to use Servicemarks (sm) or Trademarks (tm) of the
copyright
holders. Use of them is covered by separate agreement with the copyright
holders.

5. If any files are modified, you must cause the modified files to carry
prominent notices stating that you changed the files and the date of any
change.

Disclaimer

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESSED
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

authheaders/public_suffix_list.txt
Licensed under MPL 2.0 (see included file, MPL-2.0)
Note: This file is in the source distribution.  It may be in the binary
distribution/installed package depending on if the package is configured to
use a system copy of the public suffix list.
