Guides
Stage frameworks, AI-native marketing, and field notes for teams who own the lifecycle. Start with the playbook or the 2026 state report.
Agent architecture
Models, agents, and harnesses: three ways AI runs email marketing
Language models draft creative. Agents operate ESPs through MCP and API. Harnesses wire CRM data, enrichment, and send logic together. Here is how the layers differ and where Brew, Klaviyo, and Resend fit.
AI automation
AI email marketing tools: what they actually do in 2026
A practitioner map of generation, automation assist, send-time optimization, and agent-operable ESPs, with fair notes on Brew, Klaviyo, Mailchimp, and the rest.
AI automation
AI-native ESP explained: architecture, agents, and when it fits
What separates an AI-native email service provider from bolt-on assistants, and how MCP changes who can operate campaigns.
AI automation
State of AI email 2026: agents, deliverability, and vendor shifts
Editorial synthesis of how AI changed email production and operations this year, without invented statistics or vendor hype.
Deliverability
Email deliverability in the AI era: authentication, Gmail, Yahoo, and list hygiene
AI helps you produce more email faster. Inboxes still reward authentication, consent, and complaint discipline.
AI automation
On-brand email with AI: voice, design fidelity, and QA loops
How to keep generated email on-brand without a designer bottleneck, and where Brew, Klaviyo, and templates differ.
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