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Outbound Systems

Field notes from building outbound systems for B2B teams — infrastructure, research, and the numbers behind both.

Isometric filter tower turning a messy pile of contact cards into a clean aligned stack, with rejected tiles falling away
Email Deliverability 12 min read

How to Clean a B2B Email List Before Sending

A clean list is the foundation of cold email deliverability. This guide shows B2B operators how to verify emails, suppress risk, filter for ICP…