dkim-rotate Tool for rotating and invalidating/leaking DKIM email signing keys. Copyright (C)2022 Ian Jackson 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 3 of the License, or (at your option) any later version. This program 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. A copy of the GNU General Public License v3 can be found in /usr/share/common-licenses/GPL-3. Individual files generally contain the following tag (or similar) in the copyright notice, instead of the full licence grant text: SPDX-License-Identifier: GPL-3.0-or-later As is conventional, this should be read as a licence grant. The following files are also covered by this licence and grant, despite not containing an explicit notice: crontab (in binary package, installed in /etc/cron.d/dkim-rotate) example.zone all .gitignore debian/{compat, control} Contributions are accepted upstram under the same terms; please sign off your patches (by writing an approprite Signed-Off-By tag in your commit message or patch submission) to indicate your attestation that the Developer Certificate of Origin (version 1.1) applies. -8<- Developer Certificate of Origin Version 1.1 Copyright (C) 2004, 2006 The Linux Foundation and its contributors. 1 Letterman Drive Suite D4700 San Francisco, CA, 94129 Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Developer's Certificate of Origin 1.1 By making a contribution to this project, I certify that: (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it. (d) I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved.