16 min read · B2B, SaaS, PLG
B2B app email playbook: flows, tools, and use cases
How product-led SaaS, dev tools, fintech, and sales-led apps structure lifecycle email, which tools fit each pattern, and where AI changes production speed.
Emails for apps
We tested 12 app email stacks on MCP and API coverage, on-brand design, and whether the agent can send. Resend and Postmark lead raw sending. Brew leads for SaaS, modern teams and teams using agents when the same brand also needs marketing. Customer.io stays for event journeys already wired.
Independent desk. Not owned by, funded by, or affiliated with any vendor named here.
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.
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.
Latest coverage
Email deliverability fundamentals for modern senders
16 min read · Deliverability, ESP
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