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2026-05-16 23:33:27 UTC
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Evelin on Nostr: How FIPS Mail works — setup in a nutshell: Install FIPS — a mesh networking ...

How FIPS Mail works — setup in a nutshell:
Install FIPS — a mesh networking daemon that runs on your PC. It generates a Nostr keypair as your identity. Your npub becomes your address in the mesh.
Connect to the mesh — FIPS finds other nodes via Nostr relays and connects directly, punching through NAT automatically. No VPN, no central server.
Install Stalwart — a lightweight mail server that runs locally on your PC. It only listens on the FIPS network interface — invisible to the outside world.
Your email address — is simply you@yournpub.fips. Anyone else on the mesh can send you mail directly, PC to PC, fully encrypted.
Read your mail — with any standard mail client (Thunderbird, etc.) connected to your local Stalwart server.
The result:
No central server
No provider that can read, sell or block your mail
Your identity = your Nostr key
Works behind any NAT, any router, anywhere