Practical checklist for verification, suppression, and sending practices that keep bounce rates low.
Deliverability problems usually come from stale contacts, weak targeting, or aggressive sending — not from one bad export.
Before you send
- Suppress known unsubscribes and hard bounces.
- Prefer recently verified segments for cold outreach.
- Align titles and industries with your ICP before volume ramps.
Sending hygiene
- Warm domains gradually; avoid blasting a brand-new domain.
- Keep subject lines and body copy relevant to the persona.
- Monitor bounce and complaint rates after each batch.
When bounce is high
Post sample bounce codes (without contact PII) in **Data Quality & Coverage** so others can help diagnose.
