Email warmup calculator

A new sending domain has no reputation, and opening at full volume is what gets one filtered. Put in where you are starting and where you need to be, and this gives you the ramp.

WeekMessages per dayOf which replies, ideally
12012
24024
38048
416096
5320192
6500300

Reaches 500 a day in week 6. Hold the ramp for a week whenever hard bounces rise above a fraction of a percent, or any complaint arrives.

Volume is not the only input

The doubling rate is gated on engagement, not on the calendar. Mail that gets replied to buys reputation far faster than mail that is merely delivered, which is why an agent answering inbound can ramp quicker than one sending cold, and why the plan shows the reply share underneath the curve.

Read the full warmup guide

A ramp you do not have to police yourself.

Quotas start conservative and open up as a mailbox earns it. Replies are near-unrestricted because they are what reputation is built on; cold sending is gated until the numbers support it.

3,000 emails a month, free, no credit card.