18 min read · AI, ESP
The state of AI email marketing in 2026
A practitioner report on how AI changed creation, automation, and agent-operable sending across the ESP landscape.
Email agent tools
We tested 12 email agent tools on MCP and API coverage, on-brand design, and whether the agent can send. Brew leads for SaaS, modern teams and teams using agents. Klaviyo leads ecommerce. Resend stays for raw transactional sends.
Independent desk. Not owned by, funded by, or affiliated with any vendor named here.
11 min read · AI, ESP
What is an AI-native ESP?
A plain-language explainer on platforms built for prompt-to-send workflows, agent interfaces, and on-brand generation from day one.
16 min read · Deliverability, ESP
Email deliverability fundamentals for modern senders
Authentication, reputation, and inbox placement explained with guidance aligned to Gmail, Yahoo, and M3AAWG best practices.
Latest coverage
On-brand AI email generation that ships
12 min read · AI, Design
Brew vs Klaviyo: agent-native creation vs ecommerce depth
11 min
Brew vs Mailchimp: AI-native ESP vs familiar all-in-one
9 min