Nostr Mail Protocol

Email, Decoupled.

The first decentralized email protocol powered by Nostr. Own your identity, your keys, and your inbox. No central authority. No gatekeepers.

Launch Nmail Web Explore the Protocol

Nmail: The Reference Client

Built with Flutter, Nmail is a cross-platform application designed to interact seamlessly with the Nostr Mail protocol. It feels like your favorite email client, but runs on a decentralized network.

  • ✓ Cross-platform: Web, Mobile, and Desktop support.
  • ✓ Synced: All your folders and settings follow you everywhere.
  • ✓ Interoperable: Email anyone, whether they're on Nostr or SMTP (via bridges).
  • ✓ Open Source: Transparent and community-driven.
Web
Open in Browser
Android
Get on Zapstore
Linux
Get for Desktop
GitHub
Source Code

The Open Protocol

A set of open standards designed to replace SMTP with a faster, safer, and decentralized relay network.

1301

Kind 1301

The universal email event. A simple JSON structure that carries RFC 2822 email content over the Nostr relay network.

🔐

Secure by Default

Uses NIP-44 for encryption and NIP-59 (Gift Wraps) to hide metadata from relays, ensuring total privacy.

🌸

Blossom Support

Seamlessly handles large MIME attachments by encrypting and storing them on Blossom servers with hybrid referencing.

🏷️

Smart Syncing

Uses NIP-32 labels for folders and read states, and NIP-78 for synchronizing settings across all devices.

Developer Libraries

Integrate Nostr Mail into your own applications with our ready-to-use SDKs for Flutter and JavaScript.

Dart Logo

nostr_mail

A Dart/Flutter package to easily build cross-platform decentralized email clients.

Flutter Dart
View on pub.dev →
npm Logo

nostr-mail

A TypeScript/JavaScript library for web and Node.js integrations of the Nostr Mail protocol.

npm TypeScript Node.js
View on npm →