EWeek: Spammers Sidestep SMTP
“We often think of fixing malicious activity in terms of systemic solutions, but spammers have moved on to private systems from which to conduct their abuse, and this makes it harder to stop.”
It’s probably worth noting that the first true spammers (early & mid-1990s) sent through private systems. As always, they’ll move to wherever it’s easiest for them to get their crap seen.


