Restrict Who Can Post to a Mailing List

Mailing lists are a good way to send a message or series of messages to many people at once. For example, many companies use mailing lists to email newsletters, promotional offers, or information about product updates to subscribers.

Domain administrators can specify who can send messages to mailing list subscribers. Doing so can prevent people from spamming the mailing list and control the flow of information. For example, if a company is using the mailing list feature as an announcements list (rather than a discussion list), the domain administrator may want to modify the mailing list settings so that only the list moderator can post to the mailing list.

This article applies to recent versions of SmarterMail. View articles for SmarterMail 15.x and earlier.

Follow these steps to restrict who can post to a specific mailing list:

  1. Log in to SmarterMail as the domain administrator.
  2. Click on the Domain Settings icon.
  3. Click Mailing Lists in the navigation pane. The various mailing lists for the domain will load in the content pane.
  4. Click the desired mailing list.
  5. From the Options tab, find the Posting card.
  6. To specify who can post to the mailing list, select the appropriate option from the Allowed Posters field.
    • Moderator Only
    • Subscribers Only
    • Anyone - this is NOT recommended as it opens the list up for abuse.
  7. All other mailing list settings are optional.
  8. Once you're done with making changes, click Save.

NOTE: Domain administrators can allow moderators and select, authorized individuals to post to a specific mailing list by selecting Moderator Only as the option in step 7 above and then adding the individual email addresses as whitelisted posters on the Posters tab. For more information, refer to the KB article Add Whitelisted Posters to a Mailing List.

 
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