On Wed, Apr 16, 2025 at 11:06 AM John Levine <jo...@taugh.com> wrote:
> The bulk of the spam that makes it into my inbox these days is low-rent > B2B spam > sent from accounts at Gmail, Outlook, and occasionally Yahoo. I would very > much > prefer that those operators not let their users send that mail, and I'm > guessing > that the operators would also like to prevent it, but we're stuck where we > are, > with both ends making imperfect attempts to mitigate it. > It's always been an arms race. At my previous employer, we had a dedicated person on call to write rules to counter whatever new thing was getting through. But it was always too late to stop whatever got out between the start of the attack, the start of user complaints, and the new rule being deployed. At large operator scale, that's several significant digits. -MSK
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