[Mailman-Developers] before next release: disable backscatter in default installation

[Kenneth Porter]

--On Tuesday, March 04, 2008 12:30 PM -0800 Jo Rhett 
<jrhett at netconsonance.com> wrote:

> 1. Don't create backscatter aliases for subscribe/unsubscribe/etc by
> default.  Nearly everyone uses web based signup.

Here's the list of valid actions from mm-handler:

@ValidActions = qw(admin bounces confirm join leave
                   owner request subscribe unsubscribe);

Which ones should be left enabled?