7. Re: RFC-822 gurus - Do spammers know when we delete their mail (David Gibbs) rob wrote:However, the OP was wondering if deleting the email is almost as bad as verifying you are a valid address by clicking on a fiendish "click here to unsubscribe" in a spam email. You're right - a spammer may not care, but someone who sells a spamming service with verified addresses might.The spammer isn't going to get the response ... the from address has been spoofed (in 99% of the cases), so innocent person will simply get a confirmation that your email address is valid.
Dave: Probably true, but does it matter for the original question? That is, this kind of situation could be one of those that is being piloted by an innovative 1% of spammers. A "valid" return address might or might not be "valid". I.e., just because it was created by a spammer and receives e-mail for a spammer (...hmmm... I wonder what might be done with a database of bogus spammer addresses?) doesn't mean much; lots can be done with an e-mail address if the server is compromised. Besides, the real question doesn't necessarily involve RFC-822 nor any RFC other than those that define the basic comm protocols. A confirmation might be due to a flaw in Outlook or any other e-mail client. The confirmation need not be done via SMTP. Tom Liotta