Does Plone support distinct sets of users in subgroups?

[wheel]

I was shy of setting up to recieve a bunch of emails, but I'll scope out 
the nttp option. Thanks to both of you.

In article <2nkdv1thsom9nrba6ro9sap0v31erm220f at 4ax.com>, 
reply.in.the.newsgroup at my.address.is.invalid says...
> wheel:
> >I'm not sure if this is the right venue for Plone questions, if not, 
> >could someone ref me to a better one? 
> 
> The plone-users mailing list. Highly recommended.
> 
> >The discussion groups on the plone site are mailing lists and I'd 
> >rather not subscribe quite yet.
> 
> Why not? It's free, takes 1 minute and you can unsubscribe at any time.
> 
> >Does plone support distinct sets of users? 
> 
> Yes. There's a user-group mechanism.
> http://plone.org/documentation/tutorial/understanding-permissions/tutorial-all-pages
> 
> >That is, on a public website running plone, can it be configured such 
> >that when a user logs in they are allowed access to a subgroup's main 
> >page, 
> 
> That can be done with local roles on the sharing tab. See the link above.
> 
> >get the subgroup's newsletter as well as the main site's newsletter etc?
> 
> I'm not sure about that. I guess it depends on how you implement the
> newsletter. It may require a little customization or programming.
> 
>