The problem I see with doing this, is that it doesn't stop someone absent-mindedly sending out an unencrypted mail to the list server. Which then will travel happily in the clear over the Internet to the list server, (where it gets encrypted and sent back out again but its too late by
----- Original Message ----- From: "Rachel Willmer" <rachel@intertrader.com> To: "Ben Laurie" <ben@algroup.co.uk>; "Joseph Ashwood" <ashwood@msn.com> Cc: <cypherpunks@cyberpass.net>; <coderpunks@toad.com>; <cryptography@c2.net> Sent: Tuesday, February 20, 2001 10:27 AM Subject: Re: FAQ? how to set up a cross-platform encrypted mailing list/forum then).
so I'm coming round to the idea that the only way to do this is via a web-driven interface on a secure server.
So you write it so that unencrypted e-mail simply will be bounced. Simple enough to do. Joe