Tactics, teardowns, numbers

One tactical post per week from a live closed:in client campaign. Real numbers, real copy, real lessons. No theory.

Apple killed open rate. Most agencies still report on it.

Since iOS 15 Mail Privacy Protection launched in 2021, roughly 60-65% of email "opens" are fake pre-loads by Apple. closed:in dropped open rate from client reports two years ago. Here is what we use instead.

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The cold email warmup schedule that actually works in 2026

Skip warmup or run it wrong and your domain reputation is dead before you send the first real email. The exact 21-day warmup schedule closed:in uses on every client inbox, plus the 4 traps that wreck deliverability.

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How to find prospects who are not in Apollo or ZoomInfo

Niche B2B ICPs (boutique retailers, hospitality operators, local service businesses) often do not appear in standard B2B databases. The custom data sourcing pipeline closed:in built for Jamezz that produced 81 qualified leads in 60 days.

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