Examples of Common Types of Mailman Lists

For a list where members may post freely, but non-members cannot post at all:
("mailman_admin_forum")
On the Config Page: Set: To:
Sender Filters default_member_moderation No
Sender Filters generic_nonmember_action Reject/Discard
Membership Management Set everyone's moderation bit, including those members not currently visible Off
For a list where anyone can post:
("spammers_paradise")
On the Config Page: Set: To:
Sender Filters default_member_moderation No
Sender Filters generic_nonmember_action Accept
Membership Management Set everyone's moderation bit, including those members not currently visible Off
Members may post with moderator approval. Non-members may not post:
("class_of_99")
On the Config Page: Set: To:
Sender Filters default_member_moderation Yes
Sender Filters member_moderation_action Hold
Sender Filters generic_nonmember_action Reject/Discard
Membership Management Set everyone's moderation bit, including those members not currently visible On
Only a select few may post (an announce only list):
("route18_info")
On the Config Page: Set: To:
Sender Filters default_member_moderation Yes
Sender Filters member_moderation_action Reject/Discard
Sender Filters generic_nonmember_action Reject/Discard
Membership Management Set everyone's moderation bit, including those members not currently visible On
and one of the two options below:
Sender Filters accept_these_nonmembers your email address
or:
Mass Subscribe Enter your email address into the text box (n/a)
Membership Management Unselect the 'mod' option for your email address (n/a)