According to an industry trade group, the "FTC recently released updated rules regarding the U.S. Federal anti-spam law, CAN-SPAM. As of July 7, 2008, the CAN-SPAM Act of 2003 will require that any and all unsubscribe processes be unencumbered by passwords or log-in requirements.
"Unsubscribe processes may request only the recipient's e-mail address and any opt-out preference changes associated with their subscribed address. Any unsubscribe process that requires a recipient to provide more information, or interact with more than a single Web page, is prohibited."
My question is this -- how do we know that an unsubscribe request for "jack@acme.com" really comes from that account holder? I can think of two cases where this could occur.
Case 1: The link to my unsubscribe process doesn't identify the email recipient, so my landing page asks the visitor to enter an email address. Since email addresses are public information (or easily guessed), anybody with a mischievous streak could supply the jack@acme.com address.
Case 2: The link to my unsubscribe process DOES identify the recipient, but the email has been forwarded around. Someone with a mischievous streak clicks on the unsubscribe link and the landing page thinks its jack@acme.com
It's easy to say that this won't happen frequently, but that's not very good risk management, is it?
Thanks,
Jack
Tags: privacy, spam
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