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.
| Week | Messages per day | Of which replies, ideally |
|---|---|---|
| 1 | 20 | 12 |
| 2 | 40 | 24 |
| 3 | 80 | 48 |
| 4 | 160 | 96 |
| 5 | 320 | 192 |
| 6 | 500 | 300 |
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 guideTransactional mail warms itself.
Verification and receipt mail goes to people who asked for it minutes ago, so it opens and it rarely complains. A ramp matters most when you start sending mail nobody asked for.
3,000 emails a month, free, no credit card.