You would all have to agree on a common encryption method (e.g., pgp, gpg, etc.) for each list and each use it to encrypt and decrypt your messages. Listserv doesn't not do that natively as far as I know. On 12/1/2010 3:35 PM, "Kern, Thomas" <[log in to unmask]> wrote: >Is there any capability in the current Listserv product to encrypt each >posting for each recipient? We have customers who use three different >encryption mechanisms, pgp, gpg and a purchased product called Entrust. > >-- >Thomas Kern >Energy Enterprise Solutions, LLC >Contractor to the >United States Department of Energy >1000 Independence Avenue, SW >Washington, DC 20585 >Phone: 301-903-2211 (Office) >Phone: 301-905-6427 (Mobile) >Email: [log in to unmask]