Gluekandmissytake 5facce617b fix(nginx): don't leak internal port 8443 in directory redirects
nginx listens on 127.0.0.1:8443 behind the stream proxy on port 443.
For a directory requested without a trailing slash, nginx built an
absolute Location header with its own port, e.g.
https://example.org:8443/apps/, which is unreachable from outside.
With absolute_redirect off, nginx sends a relative Location: /apps/.
2026-10-22 14:00:30 +02:00
2025-12-18 09:21:19 +01:00
2026-09-22 15:18:38 +02:00

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 connections with strict TLS are accepted; all messages must be correctly signed with DKIM and OpenPGP-encrypted with minimized metadata. There are experimental exceptions for no-DNS relays, which are allowed use self-signed TLS certificates and which do not need to DKIM-sign their messages. Unencrypted messages are allowed in neither case.

  • 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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