June 22, 2026 · 1 min read · deliverability-guides IP and Domain Warmup Strategies: How to Avoid Bans on New Inboxes You have registered a beautiful new domain (e.g., `get-supermail.live`), configured SPF, DKIM, and DMARC records strictly by the book, and are now ready to shoot out your first batch of 5,000 cold emails to potential B2B clients.