Speaking of which: any suggestions on ending the deluge of likely black-hat spam? Shrinking hoses, Russian brides, plenty of other crap which darn near screams

Speaking of which: any suggestions on ending the deluge of likely black-hat spam? Shrinking hoses, Russian brides, plenty of other crap which darn near screams "if you hit 'unsubscribe' we'll know we have a live one and send you more!"