Gmail, SendGrid, Resend, and AgentMail all promise email for your agent. Here's what each one actually delivers and what it costs.
OpenClaw has 198K+ GitHub stars and millions of new users. But agents still can't send a basic email without hacks. The infrastructure gap is real.
Scaling from a few agent inboxes to fifty hits a pricing dead zone and an ops nightmare. Here's the cost math and how to stay sane.
Agents communicate through email, Slack, voice, and emerging protocols. Here's how each channel fits and why email is the universal base layer.
SendGrid and Resend are great for sending. But agents need to receive, too. A developer-focused comparison for agent email use cases.
Self-hosting gives you full control. Managed gives you speed. Here's an honest breakdown of the real tradeoffs for AI agent email infrastructure.
Most agent email setups have no test mode. Here's how to stop accidentally emailing real people during development.
Should your agent poll for new messages or get pushed webhooks? Here's the trade-off and when to use each approach.
AI-sent emails get flagged as spam more often than you'd think. Here's how to set up SPF, DKIM, and DMARC so your agent's emails actually arrive.