List settings can be altered to meet a variety of communication needs. Here are some of the most common settings available to list administrators. 

Joining an E-list (with similar options for leaving an e-list)

• Anyone can join: Allow subscriptions with no list administrator approval: 
• Anyone can ask to join, but an administrator must approve: Allow subscriptions with approval by list administrator: 
• Only the administrators can add members: Do not allow members to subscribe: 

Posting Messages

• Anyone can post to the e-list: Allow anyone to send messages, including non-list members (Open-posting Style)
• Anyone can submit a post but it must be approved before it will be sent to the e-list: Allow anyone to send messages, including non-list members (Open-posting Style, with moderation enabled)
• Only subscribers (and administrators) can post to the e-list: Allow members of specific lists to post to this list (Discussion Style)
• Only administrators can post to the e-list: Allow specific email addresses to post to the list (Announcement Style)
  • Only Cornell-affiliated individuals can post to the e-list (specify "@cornell.edu")

Review of Messages

• Submitted messages are posted immediately to the e-list.
• Messages are reviewed by administrators, who can approve or reject the message.

E-List Replies

• Replies to posts are directed to the e-list.
• Replies to posts are directed to the person who submitted the message.
• Replies to posts are directed to both the person who submitted the message and to the e-list.