Dmcn is an open-source project built for developers building secure email clients and infrastructure.

Yes — Dmcn is open source under the Apache-2.0 license and free to use.

What platforms does Dmcn run on?

Dmcn runs on the web and API. It can also be self-hosted.

Is Dmcn still maintained?

The GitHub repository shows 70 commits in the last 90 days.

What projects are similar to Dmcn?

Similar projects tracked by PulseGate include Message Bus, Posthorn, and cabbagok.

Dmcn is developed by DMCN contributors.

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Dmcn

Name: Dmcn
Author: DMCN contributors

dmcn.devInfrastructure

DMCN Protocol is an Apache-2.0 open protocol for end-to-end-encrypted mail in which addresses are bound to public keys. It uses DNS and signed identity records for discovery and verification, with an SMTP bridge for interoperability.

Open SourceApache-2.0WebSelf-hostedAPI

Visit dmcn.dev

Overview

7 features

Dmcn sits in PulseGate's Messaging, queues & streaming category. It focuses on sending authenticated, end-to-end-encrypted email without relying on centralized identity or server trust. Dmcn is an open-source project aimed at developers building secure email clients and infrastructure. The project is open source (Apache-2.0). Dmcn is available on the web and API, and it can be self-hosted.

It is developed by DMCN contributors, and it first shipped in 2026. The project is developed in the open on GitHub with 70 commits in the last 90 days. Key capabilities include end-to-end encryption, cryptographic addresses, and DNS discovery.

Summary written by a language model from the project’s public pages.

End-to-end encryption
Cryptographic addresses
DNS discovery
Signed identity records
Message verification
SMTP bridge
Open protocol specification

Built with & integrations

Runs on

BrowserSelf-hostedAPI-only

Trust & compliance

License

Apache-2.0

Verified signals

HTTPSOpen SourceFree tierGitHubActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 01:39 UTC
Show HN: Email where an address is a keypair, with an SMTP bridge verified via Hacker News firehose (Algolia)
Source: Hacker News firehose (Algolia) · Open

Frequently asked questions about Dmcn

What is Dmcn?: Dmcn focuses on sending authenticated, end-to-end-encrypted email without relying on centralized identity or server trust. It is catalogued under Messaging, queues & streaming on PulseGate.
Who is Dmcn for?: Dmcn is an open-source project built for developers building secure email clients and infrastructure.
Is Dmcn free?: Yes — Dmcn is open source under the Apache-2.0 license and free to use.
What platforms does Dmcn run on?: Dmcn runs on the web and API. It can also be self-hosted.
Is Dmcn still maintained?: The GitHub repository shows 70 commits in the last 90 days.
What projects are similar to Dmcn?: Similar projects tracked by PulseGate include Message Bus, Posthorn, and cabbagok.Message Bus Posthorn cabbagok
Who makes Dmcn?: Dmcn is developed by DMCN contributors.
How long has Dmcn been around?: Dmcn first shipped in 2026.

At a glance

Platforms: Web
Languages: English
Open source: Yes (GitHub)
License: Apache-2.0
First seen: 10 Sept 2026
Built for: developers building secure email clients and infrastructure
Model: Open source
Solves: Sending authenticated, end-to-end-encrypted email without relying on centralized identity or server trust.

Registered as

GitHub: dmcnp/open-dmcn

Developer

DMCN contributors

Solo developer

GitHub

Open source

View on GitHub

Stars: 0
Forks: 0
Open issues: 0
Last commit: 9 Sept 2026
Commits 90d: 70
Contributors: 1
Authorship: Solo
Default branch: main
Latest release: v0.17.3 · 9 Sept 2026

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 10 Sept 2026

Identity audit (13)

Slug: show-hn-email-where-an-address-is-a-keypair-with-an-smtp-bri-dmcn-dev
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 10 Sept 2026
Canonical URL: https://dmcn.dev/

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