Article · 9 min read

5 Lessons I Learned After Sending 12K Cold Emails

Irina Maltseva · Hunter.io Blog Free Intermediate

A first-person account of what actually happened across thousands of sends, rather than a generic best-practices list. Useful for seeing which mistakes cost the most replies at scale, not just in theory.

  • Smaller, more targeted batches consistently beat large, generic blasts
  • A single, well-timed follow-up recovers a meaningful share of ignored emails
  • Personalization that references something real about the recipient still beats any template
Open on hunter.io ↗

The question it answers

  1. What are the most common cold email mistakes that make people delete on sight?

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