Domain warm up helps build trust with inboxes like Gmail, Outlook, and Yahoo by gradually increasing your daily email volume. This avoids your emails being flagged as spam or hitting delivery issues - especially when using a new email sending domain.

When sending emails from a brand-new domain, you can’t go straight from 0 to 10,000 emails a day. You need to warm up the domain slowly so email providers learn to trust you. Ivorey’s™ warm up tool handles this automatically by ramping up your daily sending volume in fixed stages.

For new email domains: Warmup starts automatically when the domain is verified

For existing email domains: Warmup must be manually started.

Each “stage” of warm up has a set daily send limit. Once that daily limit is hit, warmup pauses until the next day. Once you hit the full limit = you move to the next stage. Once you reach Stage 15, warmup is complete.

Sending above the daily limit won’t block emails - but you won’t move to the next stage until the full limit is met. If you don't follow the warm up best practice - your emails could land in spam, bounce, or get delayed. More importantly, your domain reputation could be damaged long-term.

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