http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt063.shtm http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt063.shtm For the most part, since it costs real

http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt063.shtm http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt063.shtm For the most part, since it costs real money to send real mail, many of the people behind it are inclined to honor unsubscribe requests.