News & Updates
Engineering deep-dives, product updates, and insights from the AgentMail team.
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17 articles
agent.email: A Landing Page for Agents
We built agent.email so AI agents can sign up for AgentMail themselves. No dashboard, no SDK. Just a URL and a skill file.
We've raised $6M to build the first email inboxes for AI agents.
AgentMail has raised a $6M seed round led by General Catalyst. Learn why we're building email inboxes for AI agents and what's next.
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We Do Not Build for Humans
Agents are discovering AgentMail on their own, signing up autonomously, and sending us support emails. So we built a CLI for them.
The Invisible Character That Broke Our S3 Uploads
How a non-breaking space in an Outlook attachment filename triggered an S3 signing bug, caused hours of SES retry storms, and was fixed with a one-character regex change.
Email as Identity for AI Agents
Discover how email provides AI agents with persistent identity, authentication capabilities, and verifiable sender credentials. Learn why email is the foundational identity layer that enables agents to participate in digital systems.
Connect Openclaw to Gmail: Step-by-Step Tutorial (2026)
Learn how to connect your Openclaw agent to Gmail with three methods: gogcli skill, OAuth integration, and Pub/Sub webhooks. Includes setup guides, security best practices, and when to use AgentMail instead.
Openclaw Email Automation: 7 Real-World Use Cases
Discover how to automate customer support, account verification, invoice processing, lead nurturing, and more with Openclaw email automation. Includes practical implementation examples and best practices.
AgentMail vs Gmail for Openclaw AI Agents: Which Should You Choose?
Compare Gmail and AgentMail for Openclaw AI agents. Learn which email service fits your needs based on scale, pricing, and features. Includes setup guides and real-world use cases.
Email as Memory for AI Agents
Why AI agents need persistent memory and how email inboxes provide semantic, episodic, and procedural memory without building custom infrastructure.
How to Give Your Openclaw Agent Its Own Email Inbox
A step-by-step guide to creating dedicated email inboxes for Openclaw agents using AgentMail. Learn how to set up programmatic email, handle verification codes, and manage multi-threaded conversations.
Rendering Email Safely: Preventing Phishing Attacks
How we built a secure email rendering system at AgentMail using DOMPurify, sandboxed iframes, and strict CSP to prevent XSS and phishing attacks.
![5 Best Email API For Developers Compared [2026]](/_next/image?url=%2Fblog%2F5-best-email-api-for-developers-compared.png&w=3840&q=75&dpl=dpl_2Y8JooSv4dZ7TYdKyKewa418kjry)
5 Best Email API For Developers Compared [2026]
With so many email API providers out there, picking the right one can be tough. We compare AgentMail, Resend, SendGrid, Mailgun, and Amazon SES.
Why Gmail and SendGrid Don't Work for AI Agents (And What Does)
AI agents that send email need more than basic APIs. Gmail pricing doesn’t scale, and most API tools like Sendgrid weren’t built for autonomous inboxes. Here’s what to look for.
Why AI Agents Need Email
Why do AI agents need email? From authentication to two-way communication, email infrastructure enables agents to function as first-class internet citizens.
Email Deliverability 101
A high-level, engineering-first guide to why emails land in the inbox (or don't).
Give voice agents email inboxes with LiveKit and AgentMail
LiveKit and AgentMail are partnering to give voice agents their own email inboxes.
AgentMail: Email Infrastructure for AI Agents
What is AgentMail?
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