SELS: 1.0 Released on Sourceforge

Secure Email List Services (SELS) provides software for private email discussion lists compatible with common email clients. SELS enables list members to exchange encrypted messages without exposing plaintext messages on the list server.

SELS 1.0 (Secure Email List Service) developed at NCSA, University of Illinois is released on Sourceforge.
More information about the project can be found at http://sels.ncsa.uiuc.edu/