Guides

Long-form practitioner guides on AI email tools, deliverability, and agent-operable sending.

The state of AI email marketing in 2026People: web appAgents: API, SDK, MCPSame email work

18 min read · AI, ESP

The state of AI email marketing in 2026

A documentation-based guide to AI email creation, automations, and supported agent operations. Compare workflow constraints and validate the result in your own account.

Product and transactional email for apps in 2026PromptEmail AEmail BEmail CChat + edit

14 min read · AI, Rankings

Product and transactional email for apps in 2026

Our scored rankings across design, automation, sending, and overall fit for teams adopting AI-assisted email production.

What is an AI-native ESP?PromptEmail AEmail BEmail CChat + edit

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.

Email deliverability fundamentals for modern sendersVerify domainSendOr export HTML

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.

On-brand AI email generation that shipsSite URLDesign fileBrand notesOn-brand send

12 min read · AI, Design

On-brand AI email generation that ships

How to evaluate and operationalize AI tools so first drafts match your brand instead of default template voice.

B2B app email playbook: flows, tools, and use casesPeople: web appAgents: API, SDK, MCPSame email work

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.