Domain Warm-Up
Domain warm-up is slowly raising how much you send from a new domain so email providers learn to trust it.
A brand-new sending domain has no track record, so blasting thousands of emails on day one looks suspicious and lands in spam.
Warming up means starting small and increasing your volume over a few weeks. This builds a good reputation steadily, so your email keeps reaching the inbox as you grow.
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Start freeLast updated: June 25, 2026