Click on the Group settings link in the right hand menu.
Click on the Spam controls tab to show the settings.
The default setting is to send suspected spam to the moderation queue. We recommend keeping this setting, unless the spam levels become problemmatic.
The default setting is to not apply forgery detection. We recommend keeping this setting, unless spam levels become problemmatic.
The default setting is to post them to the group. We recommend keeping this setting, unless spam levels become problemmatic.
Click on the Save Changes button to save any changes you make.