Re: Spam sent from compromised (web)hosts vs botnet spam

On 13-03-21 04:41 PM, Dave Warren wrote
> If we wanted to get serious about this type of implementation, an SMTP
> extension could do the trick.

What do you think the odds are that spammers will implement anything
like that in their bot cannons?

IOW: the SMTP tools establishing the SMTP connection to the recipient's
MTAs are owned and implemented by the spammers in probably more than 90%
of all spam.

They have no incentive to provide you with a workable complaint channel.

If you wanted to announce it, you'd have to announce in a way that was
keyed off IP address/allocations, _not_ something inband with the spam.

Kinda like rDNS ;-)
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