How-to · 3 min
Verify emails in bulk
Upload a CSV and clean up to 1M email addresses with waterfall verification.
Upload your CSV
Navigate to Verify → New job and drop your CSV. Prospct auto-detects the email column and shows a preview.
Understand the results
Every row is labeled Deliverable, Risky, Undeliverable or Unknown. Only Deliverable rows are safe for cold outbound. Risky rows include catch-all domains scored by MX profile.
- Deliverable → send
- Risky → warm sender only
- Undeliverable → suppress
- Unknown → re-run in 24h