LICENSES -------- This software is licensed under the GPL version 3 (see licenses/GPLv3.txt), except for: - bcprov-jdk15on-152.jar which is licensed under the Bouncy Castle License (see licenses/BouncyCastle.txt). - nl.jteam.tls.StrongTls which is licensed under the Apache License, Version 2.0 (see licenses/LICENSE-Apache2.0.txt). Several Android libraries and classes are licensed under the Apache License, Version 2.0 (see licenses/LICENSE-Apache2.0.txt). The full list of libraries in use can be found in android/src/main/res/raw/help_about_libraries.html Images used in the introduction are adapted from the Free Software Foundation Email Self-Defense guide (https://emailselfdefense.fsf.org/), and are licensed under the Creative Commons Attribution 4.0 license (or later version) (see https://creativecommons.org/licenses/by/4.0/).