Please follow the instructions below to allow or prevent a user group from deleting their posts:

1. Log in to your Website Toolbox account.
2. Click the Users link in the main menu.
3. Click on the Manage link next to the user group you want to change the permissions for.
4. In the Manage menu, click Permissions.
5. Under the User's Topics & Posts section, turn the Delete Own Posts and Delete Own Topics permissions on or off.
6. Save your changes.