holger krekel b50019aa2a docker/lxc: replace CHATMAIL_NO* env vars with systemd-detect-virt detection
Cherry-pick runtime container detection from the hpk/lxcdeploy branch
for the dovecot sysctl block and apply the same pattern to the
port-availability check in deployers.py, and drop both CHATMAIL_NOSYSCTL
and CHATMAIL_NOPORTCHECK from the container startup script and
Dockerfile; the code now self-detects the context.
2026-03-17 17:16:09 +01:00
2026-03-17 15:45:03 +01:00
2026-03-17 15:45:03 +01:00
2026-03-17 15:45:03 +01:00
2025-12-18 23:49:48 +00:00
2025-12-18 09:21:19 +01:00

Chatmail relays for end-to-end encrypted email

Chatmail relay servers are interoperable Mail Transport Agents (MTAs) designed for:

  • Zero State: no private data or metadata collected, messages are auto-deleted, low disk usage

  • Instant/Realtime: sub-second message delivery, realtime P2P streaming, privacy-preserving Push Notifications for Apple, Google, and Huawei;

  • Security Enforcement: only strict TLS, DKIM and OpenPGP with minimized metadata accepted

  • 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

https://chatmail.at/doc/relay

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