<!-- Canonical: https://www.agentlist.io/systems/openmail -->

# OpenMail

[09 agent-services](https://www.agentlist.io/categories/agent-services)/[OpenMail](https://www.agentlist.io/ai/openmail)/ACTIVE

OpenMail provides dedicated email inboxes for agents, incoming-message events, sender rules, and attachment extraction.

-   [Messaging surface](https://www.agentlist.io/capabilities/messaging-infra)
-   [API-native](https://www.agentlist.io/capabilities/api-native)

SEC.01

## What it does

-   01Per-agent inboxes
-   02Webhooks and WebSockets
-   03Sender allow/block rules
-   04Attachment text extraction
-   05REST API and CLI
-   06Custom domains on paid plans

SEC.02

## Who it's for

An agent that needs its own address and a way to process incoming documents or replies.

PRICING

## Pricing

Free: 3 inboxes / 3,000 emails per month; Pro: €9/month plus usage, 10 inboxes / 10,000 emails (checked October 12, 2026). List prices as checked against the vendor's pricing page on 2026-10-12; plans change often, so confirm before deciding.

caveat · before you adopt

OpenClaw defaults to automatic replies in channel mode. Sender filtering permits unblocked mail by default; denied inbound mail is dropped without quarantine. Choose the mode and sender policy before connecting a live inbox. Documentation reviewed October 12, 2026; no hands-on delivery benchmark.

ALT

## Other agent services (19)

[AgentMail AgentMail · agent-services api · cloud · Free: 3 inboxes / 3,000 emails per month; Developer: $20/month, 10 inboxes / 10,000 emails (checked October 12, 2026)](https://www.agentlist.io/systems/agentmail)

[x402 Coinbase · agent-services api · local/cloud · Open protocol (free); settlement on-chain](https://www.agentlist.io/systems/x402)

[Agent Payments Protocol Google · agent-services api · local/cloud · Open protocol (free)](https://www.agentlist.io/systems/ap2)

[Skyfire Skyfire · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/skyfire)

[Payman Payman · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/payman)

[Nevermined Nevermined · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/nevermined)

[AgentCard AgentCard · agent-services api/cli · cloud · Per-card funding; no subscription](https://www.agentlist.io/systems/agentcard)

[Keycard Keycard · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/keycard)

[Arcade Arcade · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/arcade)

[Scalekit Scalekit · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/scalekit)

[Composio Composio · agent-services api · local/cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/composio)

[E2B E2B · agent-services api · cloud · Hobby: usage-based; Pro $150/mo plus usage](https://www.agentlist.io/systems/e2b)

[Browserbase Browserbase · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/browserbase)

[Exa Exa · agent-services api · cloud · Free tier; per-request pricing](https://www.agentlist.io/systems/exa)

[Mem0 Mem0 · agent-services api · local/cloud · Free OSS; cloud tiers (verify)](https://www.agentlist.io/systems/mem0)

[Nylas Nylas · agent-services api · cloud · Free tier; Essentials: $15/month, with separate Connect and Agent Accounts allowances (checked October 12, 2026)](https://www.agentlist.io/systems/nylas)

[Resend Resend · agent-services api · cloud · Transactional Free: 3,000 emails/month, 100/day; Pro: $20/month for 50,000, plus overages. Counts sent and received mail; each To, Cc, and Bcc recipient counts separately (checked October 12, 2026)](https://www.agentlist.io/systems/resend)

[Postmark Postmark · agent-services api · cloud · Free developer tier: 100 emails/month; Pro with inbound processing: $16.50/month at 10,000 emails (checked October 12, 2026)](https://www.agentlist.io/systems/postmark)

[Daytona Daytona · agent-services api/cli · cloud · Usage-based CPU, memory, and storage; introductory credits](https://www.agentlist.io/systems/daytona)

FAQ

## Frequently asked

### What is OpenMail?

OpenMail provides dedicated email inboxes for agents, incoming-message events, sender rules, and attachment extraction.

### Who is OpenMail for?

An agent that needs its own address and a way to process incoming documents or replies.

### How much does OpenMail cost?

Free: 3 inboxes / 3,000 emails per month; Pro: €9/month plus usage, 10 inboxes / 10,000 emails (checked October 12, 2026). List prices as checked against the vendor's pricing page on 2026-10-12; plans change often, so confirm before deciding.

### Does OpenMail run locally or in the cloud?

OpenMail runs in the vendor's cloud. Its interfaces are an API or protocol.

### What are alternatives to OpenMail?

Other agent service entries in the catalog: AgentMail, x402, Agent Payments Protocol, Skyfire, Payman, Nevermined, AgentCard, Keycard, Arcade, Scalekit, Composio, E2B, Browserbase, Exa, Mem0, Nylas, Resend, Postmark, Daytona. Different categories solve the same problem differently — see the Agent services category page for tradeoffs.

### What should I know before adopting OpenMail?

OpenClaw defaults to automatic replies in channel mode. Sender filtering permits unblocked mail by default; denied inbound mail is dropped without quarantine. Choose the mode and sender policy before connecting a live inbox. Documentation reviewed October 12, 2026; no hands-on delivery benchmark.

Spec sheet

**Name**: OpenMail

**Vendor**: [OpenMail](https://www.agentlist.io/ai/openmail)

**Category**: [Agent services](https://www.agentlist.io/categories/agent-services)

**Interfaces**: api

**Hosting**: cloud

**Pricing**: Free: 3 inboxes / 3,000 emails per month; Pro: €9/month plus usage, 10 inboxes / 10,000 emails (checked October 12, 2026)

**Status**: actively maintained

**Speaks**: -   [Email (SMTP/IMAP)](https://www.agentlist.io/transports/email)
-   [Webhooks](https://www.agentlist.io/transports/webhooks)

**Record ID**: `sys://openmail/openmail`

**Verified**: [2026-10-12](https://www.agentlist.io/changelog)

Before you choose

-   [Email for AI agents: AgentMail and four alternatives](https://www.agentlist.io/articles/email-for-ai-agents-agentmail-alternatives)

Sources

-   [↗ openmail.sh](https://openmail.sh/)
-   [↗ openmail.sh/](https://openmail.sh/)
-   [↗ docs.openmail.sh/](https://docs.openmail.sh/)
-   [↗ openmail.sh/pricing](https://openmail.sh/pricing)
-   [↗ docs.openmail.sh/integrations/openclaw](https://docs.openmail.sh/integrations/openclaw)
-   [↗ docs.openmail.sh/concepts/sender-rules](https://docs.openmail.sh/concepts/sender-rules)

Catalog entries are editorial records, not paid placements or endorsements. Pricing and status are approximate as of the verification date shown above.

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Source: [OpenMail — AGENT-SVC by OpenMail | agentlist.io](https://www.agentlist.io/systems/openmail). This is the public page rendered as Markdown; interactive controls require the website.
