In category: ← Communication / Email / Mailing Lists and Newsletters

About Schleuder

GPG-enabled mailing list manager with resending-capabilities.

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Languages/Platforms/Technologies:

Ruby

Lincenses:

GPL-3.0

More about Schleuder

An email hub for groups

Schleuder enables subscribers to communicate encryptedly and pseudonymously. It takes care of all de- and encryption, stripping of headers, formatting conversions, etc.

But Schleuder can also receive and send emails to non-subscribers, which makes it a useful email hub for groups.

Incoming emails from non-subscribers (“outside people”) are (re)encrypted and distributed among the subscribers, which can communicate internally as well as answer to the outside person via the list.

The outside person only sees an email address with a public key, but has no information about who is behind it.

Here’s a simple picture of a message that is sent to a non-subscriber (“Zacharias”). It illustrates how Alice, Bob, Claire and David are invisible to Zacharias

imag

Additionally, it is possible to combine a list being used as a helpdesk to be combined with a Gitlab issue tracker.

A helpful bot

Additionally, Schleuder can send out its own public key upon request by email. Anyone sending a message to listname-sendkey@hostname will receive a reply that contains the public key of that list.

And Schleuder can receive administrative commands by email. E.g. it is possible by email to add an OpenPGP-key to a list in order to reply encryptedly to an outside person.