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How-to guidesUpdated 5/16/2026

How to build a 500-prospect outbound list in one afternoon

You're launching a new product Monday. It's Friday afternoon. You need 500 prospects, verified emails, and personalised first lines by EOD. Here's the exact 4-hour playbook.

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Hour 1: define ICP + scrape

Define: industry + geography + 1 differentiator. Kavex Maps OR LinkedIn Companies → 700-1,000 raw leads.

Hour 2: enrich + verify

Email Finder for missing emails + Email Verifier for the full list. Lose 30-40% to bounces/catch-alls. Net 500-600 deliverable.

Hour 3: AI personalise

AI Personalizer per row with your sender voice. 500 unique 60-word emails generated in ~10 min. Spot-check 20 samples before sending.

Hour 4: load into sending tool

Export CSV. Upload to Lemlist / Smartlead / Reply. Schedule warmup or send Monday morning.

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