> Compare Revdoku mailboxes for AI agents with AgentMail: trying before you pay, replies, alerts, malware and prompt-injection checks, file storage, activity logs and setup.

# Revdoku vs AgentMail

Revdoku and AgentMail both give AI agents their own email addresses, with an API, an MCP server and webhooks. Neither asks for a card to try. AgentMail is built for two-way email. Revdoku makes mailboxes for AI agents that receive email and documents, and keeps them as files with an activity log.

## Short answer

**Choose AgentMail** if your agent must start new email conversations, or if you need a SOC 2 report today.

**Choose Revdoku** if your agent receives emails and files and must keep them. Revdoku stores files next to the email, logs every action by each person and agent, and checks incoming mail for malware and prompt injection. You can connect ChatGPT, Claude, Hermes or OpenClaw without code.

## Plans

| | Revdoku | AgentMail |
| --- | --- | --- |
| Before you pay | Free to try, no card needed | Free plan: 3 inboxes, 3,000 emails a month (100 a day), 3 GB; sent mail carries a "Sent via AgentMail" footer ([pricing](https://www.agentmail.to/pricing)) |
| Paid plans | [See pricing](https://app.revdoku.com/pricing) | Developer, $20 a month for 10 inboxes; Startup, $200 a month for 150 inboxes |
| Custom email domains | Yes | Developer plan and up |
| Data location | EU by default | EU region on the Enterprise plan |
| SOC 2 | Planned | Type II ([SOC 2](https://docs.agentmail.to/documentation/resources/security-privacy/soc-2-compliance)) |

## Email

| | Revdoku | AgentMail |
| --- | --- | --- |
| Receive emails and attachments | Yes, from any sender | Yes, from any sender |
| Reply to people who emailed the mailbox | Yes | Yes |
| Send new emails to any address | No | Yes |
| Alerts for new email | Signed webhook, WebSocket or polling | Webhooks, WebSockets or polling |
| Attachments | Saved as files in the mailbox | Up to 6 MB inline, or about 30 MB per message by URL |

## Security and control

| | Revdoku | AgentMail |
| --- | --- | --- |
| Malware and spam | Malware scan on every email; known spammers blocked | Spam and virus scanning on every incoming email |
| Prompt injection | AI labels mark malicious prompts as `Junk`, and the API withholds their content | Agent Armor, a Labs feature: off by default, US only, advisory |
| Activity log | Every action by each person and agent | Not stated |
| Access for each agent | Each connection gets Full access, Read & write or Read only, for the mailboxes you pick | API keys limited to an organization, a pod or an inbox; allow and block lists |
| Store files besides email | Yes, with file versions and locks | Not stated |

## Setup

| | Revdoku | AgentMail |
| --- | --- | --- |
| Setup prompt for chat apps | Copy one prompt into ChatGPT, Claude, Hermes or OpenClaw | Not stated |
| Hosted MCP server | `https://mcp.revdoku.com`, with sign-in in your browser | `https://mcp.agentmail.to/mcp`, with OAuth or an API key ([MCP docs](https://docs.agentmail.to/integrations/mcp)) |
| Skill for coding agents | `npx skills add revdoku/revdoku --skill revdoku -g` | `npx skills add agentmail-to/agentmail-skills` |
| CLI | Revdoku CLI, bundled with the skill | `agentmail-cli` on npm |
| REST API | `https://api.revdoku.com/v1`, with runnable JavaScript, TypeScript and Python examples | REST API with Python and Node SDKs |

## Try Revdoku

1. [Create a mailbox](https://app.revdoku.com/users/sign_up?plan=PLAN-ENTRY-MONTHLY&utm_source=revdoku.com&utm_medium=website&utm_campaign=compare_agentmail) from $4.99/mo, or [try it free](https://app.revdoku.com/users/sign_up?utm_source=revdoku.com&utm_medium=website&utm_campaign=compare_agentmail). You get your first mailbox and its email address right away.
2. Connect your AI app. Pick it in the [list of AI apps](/connect/).
3. Send an email with an attachment to your mailbox address. Ask your agent to read it.

More options are in [email services for AI agents compared](/compare/email-for-ai-agents/).

Email address
for your AI agent

youragent@yourdomain.com address
to receive emails, send replies
and store attachments and files.

Built-in virus, malware and spam filter

Built-in AI screening against prompt injection

Built-in secure file storage

Read, send, manage via API, MCP, CLI

Create mailbox
From $4.99/mo · 30-day money-back guarantee

or Try free : 1 mailbox, replies only to you, no card

## Frequently Asked Questions

### What is the main difference between Revdoku and AgentMail?

AgentMail is built for two-way email, so an agent can email anyone first. Revdoku is built for receiving email and documents, keeps them as files with an activity log, and checks incoming mail for malware and prompt injection. A Revdoku agent replies to people who wrote to it.

### Can I try both before I pay?

Revdoku is free to try, and AgentMail has a free plan; neither asks for a card. AgentMail's free plan adds a "Sent via AgentMail" footer to sent mail.

### Which one protects agents from prompt injection?

Revdoku labels emails with malicious prompts as Junk, and its API withholds their content. AgentMail has Agent Armor as a Labs feature that is off by default, US only and advisory.

### Where is the data stored?

Revdoku uses the EU region by default. AgentMail offers an EU region on its Enterprise plan.

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[View the canonical page](https://revdoku.com/compare/agentmail/) · [Browse llms.txt](https://revdoku.com/llms.txt)