Lion Server: Controlling access to the mail server

The mail server included as part of Lion Server has the ability to restrict which user accounts are allowed access. This allows administrators to control which users are able to receive email through the server.

Server Admin is able to control which users are allowed to receive email at the server.

To enable user restrictions:

1. Open Server Admin and select the server from the list on the left.

2. Click the Access pane.

3. Change the setting for the Mail service to "Allow only users and groups below:".

4. Add the users who should be granted email access.

5. Click Save.

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Note: The server might not notice changes to the access list for an hour or more due to caching. If promptness is required, stop and restart the mail service after changing the access list.