Auto-Subscribe for all forums and threads

[naws-sl]

Is there a way to setup a forum so that members are auto-subscribed to all forums and threads? Meaning that if they wish to get digests or to not receive any notifications, they have to make that a conscious choice?

Setting up a new board and wanting "push" to user be the default, not optional.

Any ideas?

Thanks in advance,
Stephan

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I know about the setting in user registration area, but am looking for a plugin that will ensure that all new posts will have notifications... I thought about the RSS feeds, but that really only works for new threads, not every post.

Again, thanks and we are willing to pay for this plugin.