Kavi Mailing List Manager Help

Appendix E. Moderated Private Discussion

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Common Uses

The Moderated Private Discussion default List Type is used for small, private discussion forums where subscribers are allowed to post messages without moderation but messages from public senders are moderated. Because this List Type moderates public messages, it is more open to public posts than the Closed Private Discussion List Type, which rejects public posts outright. These two List Types are quite similar because subscriber posts are not subject to moderation, so once a user is subscribed, they can post messages directly to the list. Use this List Type when the benefit of allowing public posts justifies the cost of moderator intervention.

This default List Type allows small, private discussion groups to conduct ongoing conversations without moderator intervention. It is well-suited to the exchange of potentially sensitive information, especially if new subscribers are added by invitation only. Mailing lists that post subscriber messages rather than sending them for moderation are more vulnerable to spam than mailing lists that moderate all messages, so the number of subscribers is usually kept relatively small.

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Posting Access

The Moderated Private Discussion uses the -mOuY combination to control posting access, so subscribers and moderators are allowed to post directly, but messages submitted by public senders are moderated.

Table E.1. Moderated Private Discussion Posting Access

List User Level Action
Moderator post
Subscriber (Regular, Digest, Allow, Poster) post
Public moderate
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Subscription Access

Access is deliberately restricted in mailing lists based on the Moderated Private Discussion List Type in the interests of preventing spam. Users can't subscribe via email so the subscription process is handled exclusively through webtools. The Web Availability setting for mailing lists based on this List Type is usually set to 'Subscribers Only' to keep the list private.

Table E.2. Moderated Private Discussion Subscription Access

Setting Use Case Applications
Email Subscriptions
Subscribe via Email? No
Web Availability
Public Not used for private List Types.
Account Holders Only Logged-in account holders can add and remove their own subscriptions. This is appropriate for an optional discussion forum that is open to all account holders, but works better in smaller or more exclusive organizations.
Subscribers Only This is used for private, optional discussion forums that want to add subscribers selectively, but then allow subscribers to leave the list at their own discretion.
Administrators Only This setting is used for private, mandatory discussion lists where it is desirable to have administrators add and remove all subscriptions.
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Archive Access

Archive access is somewhat dependent on the Web Availability setting, since a user has to be able to access the Mailing List Home page in order to see the link to the list archives.

Table E.3. Moderated Private Discussion Archive Access

Setting Conditions
Email Archive Retrieval
Messages saved for subscriber retrieval (-aBg) Subscribers have access to the raw ezmlm-idx message archives via email archive retrieval commands. This allows subscribers to retrieve plain text messages only. Email archive retrieval commands from public senders are rejected.
Web Archive Visibility
NO Web Archives Use this if the mailing list doesn't need Web archives. This is uncommon, but could be appropriate for an informal or temporary discussion group.
Public Not appropriate for private lists.
Account Holders Only Can be used only if Web Availability is set to account holders.
List Subscribers The most common setting, matching the most common Web Availability setting. It helps assure that archived list content is only accessed by known, authorized users.
Administrators Only Used when you want archives but don't want them to be visible to ordinary mortals. This setting effectively hides the existence of archives from everyone except administrators.
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