How to use eval via Jython?

How can I conduct a private threaded discussion online via email without the use of social networks?

• The idea is that I can kickoff a private discussion with friends via email but this discussion exists on some kind of online platform, which however does not require for them to maintain full logon credentials, eg. Google+ or Facebook. The discussion would be protected via a secret key that is assigned to the discussion at initial creation, will accept replies only via email, from all members invited by the creator, but will be also accessible for viewing via web through the secret URL. This is something like what we had in Posterous communities before it closed. It will be used for example for decision making, private event organizing etc. The key is that some people still don't use social networks and prefer email, and don't want the hassle of having to signup to a [new] platform just to reply to and follow a discussion thread.

• Answer:

  You might want to have a look at http://www.ccgenie.com : you can create a room with a unique email address, and add members. Any member can send/receive emails to/from the room. You only create an account if you want to access the private online dashboard of the room.