Field notes

Notes on email for AI agents.

Guides, integration patterns, and infrastructure thinking for teams building AI products that live in email.

18 posts · deliverability, webhooks, threading & integrations

AI Agents 02

How AI Agents Receive Email Verification Codes and OTPs

AI agents hit an email verification wall when they sign up for services. Here's how they receive OTPs, 2FA codes, and magic links automatically — with one API call.

Bridget · July 2026 · 10 min
Industry 03

AI Agents Can Now Take Orders Through Chat. Can They Follow Up By Email?

Square, OpenAI, and Stripe moved checkout into the chat window in 2026. But the receipt, the shipping update, and the support reply still run on email — and most agents have no inbox.

Bridget · July 2026 · 12 min
Industry 04

$206 Billion in Agent Spend and Almost No One's Budgeting for Email

Gartner puts 2026 AI agent software spend near $206B, up ~139%. Almost all of it goes to compute and orchestration. Email — how agents reach the world — is on no line item.

Bridget · June 2026 · 11 min
Guide 05

Why 'Agent Identity' Has to Include Email

The 2026 agent-identity stack solved auth and permissions but skipped the inbox. An agent borrowing a human's Gmail isn't identity — it's a liability. Here's the fix.

Bridget · June 2026 · 13 min
AI Agents 06

Email as Memory: Long-Running AI Agents in 2026

Long-running agents need persistent memory. Email — with threading, addressability, and IMAP search — is the cheapest, most durable agent memory store you can buy.

Bridget · June 2026 · 12 min
Guide 07

Email Threading for AI Agents: Message-ID, In-Reply-To, References

How AI agents thread email replies correctly using Message-ID, In-Reply-To, and References headers — the rules, the edge cases, and what breaks when you get it wrong.

Bridget · June 2026 · 10 min
Integration Guide 08

How to Give Hermes Agent Email Using Dead Simple

Hermes Agent is Nous Research's open-source self-improving AI agent. Here's how to wire it up to Dead Simple Email's MCP server in about three minutes.

Bridget · April 2026 · 12 min
Guide 09

How MCP Is Changing How AI Agents Use Email

Model Context Protocol lets any AI client — Claude, Cursor, ChatGPT, Gemini — drive email through one standard interface. Here's how to plug in Dead Simple's MCP server.

Bridget · April 2026 · 12 min
Guide 10

Complete Cost Comparison: Email APIs for AI Agents in 2026

Side-by-side pricing and feature comparison of every email API option for AI agents: Dead Simple, AgentMail, SendGrid, Postmark, Mailgun, SES, Resend, and Nylas.

Bridget · April 2026 · 14 min
AI Agents 11

Gmail Is Suspending AI Agent Accounts — Here's What to Do

Gmail's TOS prohibits bot access and suspends AI agent accounts without warning. Here's why it happens, why workarounds fail, and how to migrate.

Bridget · March 2026 · 8 min
Tutorial 12

How to Give Your AI Agent Its Own Email Inbox in 5 Minutes

Step-by-step: create an inbox, send email, receive via webhooks, and connect via MCP. No DNS setup required.

Bridget · March 2026 · 6 min
Tutorial 13

Automate Customer Onboarding with AI Email Agents

Build an AI agent that welcomes new users, sends setup guides, and follows up automatically — all through the Dead Simple Email API.

Bridget · March 2026 · 8 min
AI Agents 14

Why AI Agents Need Their Own Email Addresses

As AI agents move from chatbots to autonomous workers, they need real communication channels. Here's why email is the missing piece.

Bridget · March 2026 · 6 min
Tutorial 15

Getting Started with Dead Simple Email

From API key to sending your first email in under 5 minutes. A step-by-step guide for developers.

Bridget · March 2026 · 4 min
Infrastructure 16

Email Infrastructure for AI Agents, Explained

SPF, DKIM, DMARC, MX records — the plumbing that makes email work. A no-nonsense guide for developers who'd rather not think about it.

Bridget · March 2026 · 8 min
Webhooks 17

Real-Time Email Webhooks: The Key to Responsive AI Agents

Polling is dead. Learn how webhook-driven email delivery lets your AI agents react to incoming messages in milliseconds.

Bridget · March 2026 · 5 min
Integration Guide 18

How to Give Your OpenClaw Agent Email with Dead Simple Email

Build a custom MCP server that gives your OpenClaw agent full email capabilities — create inboxes, send and receive messages, and automate workflows.

Bridget · March 2026 · 12 min
Integration Guide 19

Email for AI Agent Teams: Using Dead Simple Email with Paperclip

Give each agent in your Paperclip org its own email identity. Route incoming messages to the right agent, automate replies, and coordinate multi-agent email workflows.

Bridget · March 2026 · 12 min

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