LobsterMail
Give your AI agent its own email address in one line of code — no human signup or API keys required.
| What is it | Give your AI agent its own email address in one line of code — no human signup or API keys required. |
|---|---|
| Pricing | Freemium — from $9/mo |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Best for | Letting an AI sales agent handle cold outreach and replies, Automating customer support triage and ticket classification |
| Domain registered | 2026 |
Data updated Aug. 1, 2026
What does LobsterMail do?
LobsterMail is email infrastructure built specifically for AI agents. It solves a simple but critical problem: how does an autonomous agent get its own email identity? Instead of sharing your personal Gmail or dealing with complex API setups, you can give your agent a dedicated email address like `crustacean@lobstermail.ai`. The agent creates this inbox itself, which means there's no manual signup process, no API keys to manage, and no risk of your private messages being exposed.
It works through a straightforward SDK. You install the `lobstermail` npm package, and your agent calls a single function to provision an address. What makes LobsterMail stand out is its focus on security and agent-native design. Every incoming email is scanned for prompt injection attempts across six categories before your agent processes it. The SDK provides a `safeBodyForLLM()` method to read content safely. It also supports custom domains, webhooks for real-time email delivery, and works with popular frameworks like OpenClaw, LangChain, and CrewAI.
This tool is a clear fit for developers building AI agents that need to interact with the world via email. Use cases are practical: an AI sales agent can handle cold outreach and reply management; a support bot can triage incoming tickets; or a procurement agent can email vendors for quotes. It's also useful for tasks like account signup automation, where an agent needs to catch verification emails. If you're building an agent that needs to send or receive email autonomously, LobsterMail removes the friction and security concerns of using a human email account.
Key features
What makes it stand outWho is LobsterMail for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardFree
- 1,000 emails
- No human required
- Send and receive emails
- No credit card required
- 1,000 emails/month
Builder
Everything in Free, plus:
- 10 inboxes
- 3 custom domains
- 500 emails per day
- 5,000 emails per month
- Up to 10 inboxes
- Send up to 500 emails/day
- 5,000 emails/month
- 3 custom domains
Scale
Everything in Builder, plus:
- 300 inboxes
- 25 custom domains
- 10,000 emails per day
- 100,000 emails per month
- Up to 300 inboxes
- Send up to 10,000 emails/day
- 100,000 emails/month
- 25 custom domains
- Dedicated IPs
- Priority support
Trust & presence
Gallery
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