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Builds the Docker image on PRs and pushes that touch docker/, compose, chatmaild/, or cmdeploy/ files. - PRs: build only (no push, no login) - Branch push (main, j4n/docker): build + push as :main or :j4n-docker - Tagged release (v*): build + push as :1.2.3, :1.2, :sha-<hash> Uses GITHUB_TOKEN for ghcr.io auth.
Chatmail relays for end-to-end encrypted email
Chatmail relay servers are interoperable Mail Transport Agents (MTAs) designed for:
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Zero State: no private data or metadata collected, messages are auto-deleted, low disk usage
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Instant/Realtime: sub-second message delivery, realtime P2P streaming, privacy-preserving Push Notifications for Apple, Google, and Huawei;
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Security Enforcement: only strict TLS, DKIM and OpenPGP with minimized metadata accepted
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Reliable Federation and Decentralization: No spam or IP reputation checks, federating depends on established IETF standards and protocols.
This repository contains everything needed to setup a ready-to-use chatmail relay on an ssh-reachable host. For getting started and more information please refer to the web version of this repositories' documentation at