When using lists.critpath.org
The domain lists.mayfirst.org is designed for email discussion lists and low-volume (less than 10,000 message per week) email announcement lists.
By default, when you create an email discussion list with May First/People Link, the list archives are private (only available to subscribers of the list), the list is not publicized on the list info page, and the list moderator is required to confirm new subscriptions.
This default policy is in place because we would rather make a list private by default rather than risk users falsely believing that their list is private.
If you would like your list to be public, you will need to change each of these three settings using your mailman web interface (see the mailman primer for instructions on using your mailman web interface).
To change whether or not the list is publicized and to change the new subscription policy, click the Privacy Options -> Subscription rules link.
To change the archive options, click the Archive options link.
Please note: if you want your list to be private, you will want to change both the option to not publicize your list and to make the archive private. These settings should be made together. If your list is public, it will very likely be discoverable by search engines whether or not you have it officially listed on the list info page.
When using lists.people-link.net
The domain lists.people-link.net is designed for large email announcement lists.
The default policy for lists.people-link.net is for list archives to be public, lists to be publicized, and subscriptions do not require moderator approval.
This policy is consistent with the goal of a large, public, announcement-only list.