Email & Outreach

Domain Warmup

Also: IP Warmup

Gradually increasing sending volume from a new domain or IP so mailbox providers learn to trust it, rather than flagging a sudden spike as spam.

Why it matters

A brand-new domain that suddenly sends thousands of emails looks exactly like a spammer, so warming it up is what lets you scale sending without wrecking deliverability from day one.

What good looks like

Proper warmup ramps volume slowly over weeks, prioritizes engaged recipients early, and watches deliverability signals before increasing send.

Related terms

Sender ReputationEmail DeliverabilitySPF, DKIM, and DMARCCold Email
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