Playbooks
Execution guides for domains, inboxes, segmentation and sending, written by operators.
All playbooks
Execution guides written by operators.
- Liquid Syntax Guide — Every Liquid tag and conditional worth knowing for cold email personalization, with working examples.
- The SPAM Plague — A field-tested cold email segmentation system for cleaner lists, better inbox routing, sharper persona-based copy, and higher reply rates before you ever launch.
- Inboxing Playbook — A clean operator guide for building cold email infrastructure that survives longer, routes smarter, and keeps campaigns out of spam in 2026.