Sender Warm-Up Schedule
Recommended 4-week warm-up volume schedule for a new sending domain or IP. Daily targets and weekly checkpoints.
| Week | Daily volume |
|---|---|
| Week 1 | 25/day Send only to engaged colleagues / known recipients. Expect replies. |
| Week 2 | 75/day Expand slightly. Continue prioritising responsive recipients. |
| Week 3 | 150/day Begin including outreach to colder prospects. Monitor reply rate. |
| Week 4 | 300/day Approach target volume. Watch deliverability metrics. |
| Week 5 | 500/day Full target volume. Sender reputation established. |
Outputs the daily send-volume target for each week of warm-up to safely build sender reputation.
Setting up a new sending domain. Recovering from sender-reputation damage. Onboarding a new dedicated IP.
FAQ
Can I skip warm-up?+
Not if the domain is new. Sudden high volume from a cold sender is the canonical spam pattern; without warm-up, expect 60-80% spam-folder rate in week 1.
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