MCP

Audience and lists — Building the verified list that sets the base copy multiplies; company size alone moves reply rates threefold

The list is the strategy. Most campaign outcomes are decided before the first word is written, by who is on the list and how clean it is — and the published data is unusually consistent on the point: company size alone moves reply rates threefold, and tightly-defined small lists outperform broad ones by a similar margin. Copy is a multiplier on a base this module sets.

Seven pages, in the order you would actually do the work — define the profile, pick the humans inside it, split it into segments and tiers, source the names, enrich what is missing, verify that the addresses work, and keep the whole thing alive as it decays.

The pages:

  • Ideal customer profile — Criteria observable enough that two people produce the same list, and the data behind narrow — lists under 50 contacts reply at 5.8% against 2.1% past 1,000.
  • Buyer personas — Personas built on the problem a person owns, why titles mislead, and the measured seniority cost — executives reply 30.2% less often than non-executives.
  • Segmentation and tiering — Segments group who gets the same message, tiers who gets the same effort — two independent cuts, and the three-tier split that keeps research affordable.
  • List sourcing methods — Databases, manual research, signals and owned footprint compared — bought lists are the one method the major blocklist operator names as listing grounds.
  • Enrichment and data waterfalls — Why no single provider clears 95% quality and 90% coverage, how a waterfall chain lifts coverage toward 94%, and ordering providers by cost, not quality.
  • Email finding and verification — The bounce targets to hold — under 2% total against a 5.1% observed average — and why catch-all domains are where every verification tool honestly stops.
  • List hygiene and data quality — The 22-28% annual decay rate, deduplication by person and by company, and the suppression rule with legal force: it survives every rebuild.

The through-line: every hour spent here is worth more than the same hour spent on copy, because this module sets the base the copy multiplies.