Atomic Mail Blog: email infrastructure for AI agents

Send email in Python with smtplib and EmailMessage: plain text, HTML, attachments, Gmail app passwords, port 465 vs 587, and when to switch to an email API

IMAP needs several round trips to list and read five emails. JMAP does it in one. What the protocol changes, and who already uses it.

Don't hand OpenClaw your own Gmail. Here's how an OpenClaw agent registers an inbox of its own on Atomic Mail, and the cron job that actually makes it read.

Six value types, double quotes only, no trailing commas. What JSON is, how to read and write it, and why it beat XML.

An agent can't tell your instruction from one hidden in an email it reads. What that breaks, and how to build so it doesn't matter.

Client, request, server, response. What an API actually is, the four main styles, and why AI agents run on them.

Give an autonomous AI agent its own email inbox in about 30 seconds, with no Gmail, no OAuth, and no domain. A runnable guide: register, send, receive, and reply over JMAP.

Four decisions, working code: an AI email agent that reads support mail, answers from your docs, and flags what it doesn't know.

Don't point your agent at your own Gmail. Here's how a Hermes agent registers an inbox of its own on Atomic Mail, and the cron job that actually makes it read.