GoogleGroups-like Drupal Forum

I am looking for a tighter integration between forums and email. i wanted to setup my drupal i开发者_如何学JAVAnstalation to:

• send an email to users when a new answer is posted to the topic

• create a new node when users answer by email (optionally, to a mailgroup)

what are the best modules to do this? how would i accomplish this?

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I'm the creator of OG Mailinglist and would be happy to answer any questions you might have. It is in alpha still but it's quite stable and in daily use by a community of 4-500 people at island.byu.edu

Also, if you want to have a look over at the code, the latest is at http://github.com/KyleAMathews/og_mailinglist

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I would suggest you consider using the OG Mailinglist module, it is in alpha, but appears to do what you are looking for:

OG Mailinglist allows users to start new discussions by email and post comments on existing discussions by simply replying to emails. You get the best of both worlds: a browser-based discussion site and an email-based list.

There is also a good discussion here about some alternative ways to do it.