If you are an administrator you are able to add or remove a users ability to post in the message forum or classifieds.
This is a great solution if someone is abusing their access.
The user will still be able to view all the information, but will not be able to post.
Follow the following steps.
1. From main menu click Administration
2. Click on the Users and Residents box
3. Click the settings icon next to the users name

4. Click Edit
5. Click on the Administration tab

6. Scroll to the Ability to post section, check on uncheck the boxes you'd like to change access for

5. Click the Save button at the bottom