Warmup Guide
What is Warm-up?
Warm-up gradually increases sending volume on a new domain or IP to build sender reputation with ISPs. Sending too much too fast from a new domain can trigger spam filters.
EmailElement Warm-up Strategies
| Strategy |
Description |
Best For |
| Linear |
Same # of contacts added each day |
Predictable growth |
| Exponential |
Increases by % each day |
Faster ramp-up |
| Custom |
Manual volume per day |
Fine-tuned control |
Recommended Warm-up Schedule
| Day |
Linear (start: 100, +100/day) |
Exponential (start: 100, 2x/day) |
| 1 |
100 |
100 |
| 2 |
200 |
200 |
| 3 |
300 |
400 |
| 4 |
400 |
800 |
| 5 |
500 |
1,600 |
Monitoring During Warm-up
- Check Delivery Events daily for bounce rates
- If bounce rate exceeds 5%, pause and investigate
- Monitor Dashboard for complaint rates
- Keep complaint rate below 0.1%
