There has been some discussion on gnupg-users about replacing SMTP for
secure email, and how BitMessage does not scale.
There is an open source non-SMTP email system called Confidant Mail,
which is based on GnuPG and hash table storage. The protocol conceals
metadata (headers like From and Subject are inside the envelope) and
uses TLS. The client has built-in support for Tor and I2P anonymity. The
system supports unlimited length attachments (over 4GB) using a
torrent-like blocking protocol. Messages are GPG encrypted and signed,
and all messages are acknowledged. Key distribution is built into the
protocol.
It's designed to scale using either DNS or a Kademlia DHT to look up
keys. Servers are paired for high availability. The client can
automatically configure itself from the server.
The client is available for Windows, Linux and MacOS. You can run your
own server, or get an account on the test environment to try it out
immediately. More information and downloads at:
https://www.confidantmail.org
Mike Ingle <m...@confidantmail.org> d2b89e6f95e72e26e0c917d02d1847dfecfcd0c2
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