What is a realistic warm-up timeline?
Warmup requires patience. Rushing guarantees problems.
Typical timelines:
- Weeks 1 to 2: 10 to 30 emails daily to engaged recipients
- Weeks 3 to 4: 30 to 75 emails daily, introducing some prospects
- Weeks 5 to 6: 75 to 150 emails daily if metrics remain healthy
- Weeks 7 to 8: Approach target volumes gradually
Factors affecting timeline:
Domain age: Newly registered domains need longer warmup. Register domains weeks before you need them.
- Engagement quality: Better engagement accelerates reputation building
- Sending infrastructure: New IPs need warmup alongside domains
- Target volume: Higher intended volumes require more gradual ramp
Warning signs during warmup:
- Increasing bounce rates
- Messages landing in spam
- Gmail Postmaster Tools showing reputation decline
- Rate limiting or deferral messages from providers
When problems appear, reduce volume and stabilize before continuing. Better to extend the journey than sink the ship.
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