http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2809463
Limiting the Undesired Impact of Cyber Weapons: Technical Requirements and
Policy Implications
Steven M. Bellovin, Susan Landau, and Herbert S. Lin
*Acknowledgements: We are grateful for comments from Thomas Berson, Joseph
Nye, and Michael
another encrypted mailinglist is schleuder.
It works. http://schleuder2.nadir.org/
If you want to have a serverless encrypted mailinglist Bitmessage works
too.
https://www.bitmessage.org/wiki/Main_Page
Some people don't like the interface. Someone i know reads Bitmessages
on his email client.