Nmail
The facts below are what the maker publishes about Nmail, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Nmail's own pages, with the date it was checked.
Where it runs
- App coverage
- allchecked 20 Sep 2026
- Device sync
- The site says folders and settings sync across devices.checked 12 Oct 2026
- Platforms
- The privacy policy refers to Nmail versions for web, Android, iOS, macOS, Windows, and Linux.checked 12 Oct 2026
- Supported platforms
- The privacy policy lists app versions for the web, Android, iOS, macOS, Windows and Linux.checked 12 Oct 2026
What it does
- Attachments
- Large emails and attachments are encrypted on the device before upload to a Blossom file server.checked 12 Oct 2026
- Bridge setup
- The self-host guide supports inbound, outbound or two-way bridging and offers either an existing SMTP provider or a self-hosted SMTP server.checked 12 Oct 2026
- Data collection
- The privacy policy says Nmail does not sell data, show ads, or use advertising, analytics, tracking, or crash-reporting SDKs.checked 12 Oct 2026
- Developer integrations
- The project offers Flutter/Dart and TypeScript/JavaScript libraries, including support for web and Node.js integrations.checked 12 Oct 2026
- Email compatibility
- Nmail supports messaging between Nostr users and ordinary email addresses through bridges.checked 12 Oct 2026
- Email interoperability
- Nmail can exchange email with ordinary email addresses through an email bridge.checked 12 Oct 2026
- Email privacy limit
- Mail exchanged with ordinary email addresses passes through the bridge in readable form.checked 12 Oct 2026
- Encryption
- Messages between Nostr users are end-to-end encrypted; the privacy policy says relays can still see the recipient public key, approximate date and message size.checked 12 Oct 2026
- Integrations
- The maker lists Flutter/Dart and TypeScript/JavaScript libraries for developers, with the JavaScript library supporting web and Node.js integrations.checked 12 Oct 2026
- Notifications
- Push notifications are optional; Linux and Windows do not have push notifications.checked 12 Oct 2026
- Offline access
- Yeschecked 20 Sep 2026
- Ordinary email privacy
- Mail exchanged with ordinary email addresses passes through a bridge in readable form, which can see the addresses, subject, content and attachments.checked 12 Oct 2026
- Privacy practices
- The privacy policy says Nmail does not sell data, show ads, or use advertising, analytics, tracking or crash-reporting SDKs.checked 12 Oct 2026
- Private keys
- The privacy policy says private keys stay in device secure storage or a signer app and are never sent to Nmail.checked 12 Oct 2026
- Product
- Nmail is an open-source reference email client built on the Nostr protocol, with mail stored on the device and Nostr relays rather than in a central mailbox.checked 12 Oct 2026
- Project license
- The maker’s site says Nostr Mail is MIT licensed.checked 12 Oct 2026
- Protocol security
- The site says the protocol uses NIP-44 encryption and NIP-59 Gift Wraps to hide metadata from relays.checked 12 Oct 2026
- Purpose
- Nmail is an open email protocol built on Nostr, with an open-source reference client.checked 12 Oct 2026
- Self-hosting
- The maker provides Docker Compose instructions for running a bridge that connects legacy email and Nostr.checked 12 Oct 2026
- Support
- For privacy questions or requests, the policy lists [email protected].checked 12 Oct 2026
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