How Email Warmup Works (And Why New Domains Can't Skip It)

You just registered a fresh domain, set up SPF, DKIM, and DMARC, and you're ready to start sending. You fire off your first round of outreach — personalized, relevant emails to 50 prospects — and half of them land in spam. What happened? The problem isn't your content or your authentication. It's that mailbox providers like Gmail, Outlook, and iCloud have never seen your domain before. To them, a new domain sending even modest volume looks indistinguishable from the thousands of throwaway