You wake up to fifty-three new messages, and not one of them is what we used to call spam: no scams, no phishing, no Nigerian princes, no strangers pretending to be your bank. What's actually in your inbox is a sales agent following up on a deal you never had, a recruiting agent sourcing for a role you never applied to, a procurement bot asking you to fill in a vendor form, three scheduling assistants negotiating a meeting that's already been moved twice, and a research agent that read your blog post and would love to "loop you in." Every one of these messages is authenticated. SPF, DKIM, and DMARC are all green, every sender is a real domain owned by a real company doing real business, and by every technical definition we have for spam, every one of these messages is legitimate . They are also, every one of them, wasting your time . This is the next era of spam. The inboxes that look like the one I described above are still rare, but the underlying conditions are already in place.…