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Case studies, research, and field notes from running cold email outbound for B2B clients.

What published research says about cold email reply rates
Data

What published research says about cold email reply rates

A 2026 research synthesis of cold email reply rate benchmarks from Lavender, Mailshake, Belkins, Saleshandy, Backlinko, Instantly, and academic sources.

By Mauricio Jochinsen

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In-house SDR vs outsourced cold email: a 2026 cost breakdown
Comparison

In-house SDR vs outsourced cold email: a 2026 cost breakdown

Fully loaded SDR cost vs agency retainer vs per-engaged-lead pricing in 2026, with real numbers, three-year TCO scenarios, and a decision framework.

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Inbox placement: the technical reasons cold emails go to spam
Guide

Inbox placement: the technical reasons cold emails go to spam

Spam filtering is a multi-layer pipeline of authentication, reputation, policy, content, and engagement signals. Auth and reputation matter more than copy.

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