Quote:
Originally posted by antonye
Of course, an mx verify would return a valid address because there's no better way round a spam list than using a valid from address ... still doesn't mean they were the real senders of the email! |
I agree - still difficult to tell and very easy to spoof a valid e-mail address.
You may have just knocked over a completely innocent ISP's mail server causing an outage to quite a lot of people.
This stuff annoys the pish out of me too and it's quite easy to lash out with DDoS attacks or whatever but you need to do more digging to make sure you definitely have the right people.
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