Increase sending volume safely
Grow a warm domain/IP with natural step sizes tied to recent successful history.
Objective
Scale sending safely
Increase sending volume on an already warm identity without triggering filters.
Starting state
Warm identity with known baseline daily volume
Prerequisites
- Stable complaint/bounce baselines
- Monitoring
Estimated time
1–2 hours
Difficulty
intermediate
Required access
- ESP admin
Inputs
- Baseline volume
- Target volume
- Step size policy
Step-by-step instructions
- BaselineDocument recent daily/weekly volume and quality metrics.
- Step upIncrease volume in bounded steps proportional to the baseline.
- Hold and verifyHold each step long enough to confirm metrics remain healthy.
Verification
- Metrics stable for the hold window at each step
Common mistakes
- Spike-driven filtering after an oversized jump
- Is infrastructure (IP capacity) ready for the next step?
Rollback / recovery
- Return to last known-good daily volume
Expected outcome
Higher sustained volume without reputation regression.
When to escalate
- Approach to provider spam-rate ceilings during scale