The CAN-SPAM Act has specific prohibitions (and extra harsh sentencing guidelines) for spamming harvested (or "dictionary attack") e-mails. Even if you meet all

The CAN-SPAM Act has specific prohibitions (and extra harsh sentencing guidelines) for spamming harvested (or "dictionary attack") e-mails. Even if you meet all the other requirements to legally send unsolicited commercial e-mail, harvesting the addresses makes it illegal. https://www.projecthoneypot.org/law_of_harvesting.php https://www.projecthoneypot.org/law_of_harvesting.php http://www.ftc.gov/os/caselist/0723041/canspam.pdf http://www.ftc.gov/os/caselist/0723041/canspam.pdf