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Sequence deliverability + domain warmup — the 14-day ramp

The 14-day domain-warmup ramp that takes a new sending domain from 0 to 200 sends/day without landing in spam. Why most warmup tools over-promise, the manual ramp we actually trust, and the 5 deliverability metrics to watch daily.

01The play

Summary
The 14-day domain-warmup ramp that takes a new sending domain from 0 to 200 sends/day without landing in spam. Why most warmup tools over-promise, the manual ramp we actually trust, and the 5 deliverability metrics to watch daily.
Timing window
First 14 days of any new sending domain
Target persona
SDR OpsRevOps setting up new sending infrastructure
Success metric
Inbox placement >90% sustained at target volume after day 14.

02Expected outcome

Outcome: Warmed domain achieves 95%+ inbox placement at 200 sends/day vs. 60-70% for cold-started domains.

Success metric: Inbox placement >90% sustained at target volume after day 14.

03Anti-patterns · do not run this when

  • Do not start at full volume even with a 'warmed' domain — ramp the actual sending pattern
  • Do not ignore SPF/DKIM/DMARC — they're table stakes, not optional
  • Do not use the same domain for cold + transactional — separate concerns
Playbook entry · ships as-of {date('M Y')}. Operator-written, no theory inflation. If you've run this play and the numbers don't match yours — or the rhythm needs a tweak — write to [email protected] and we'll revise.
Signal-anchored outbound, no theater

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