{
  "generated_at": "2026-11-06T12:47:17Z",
  "niche": "Email & identity rails for AI agents",
  "slug": "agent-inboxes",
  "tagline": "Verified directory of inboxes, identity, and mail infrastructure agents actually use.",
  "entry_count": 50,
  "categories": [
    "agent-identity",
    "agent-inbox",
    "docs",
    "human-mailbox",
    "inbound-routing",
    "notifications",
    "platform",
    "self-hosted",
    "shared-inbox",
    "transactional"
  ],
  "entries": [
    {
      "id": "agent-identity",
      "name": "Agent Identity",
      "url": "https://www.agent-identity.dev",
      "category": "agent-identity",
      "pricing_hint": "Free: 5 identities; Builder $19/mo",
      "setup": "developer",
      "features": [
        "mailbox",
        "a2a",
        "calls",
        "event-log"
      ],
      "blurb": "Identities for agents that send then block on replies: mailbox with threads, calls, A2A task trading, durable event log.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.agent-identity.dev",
      "page_title": "Email, Phone & Identity for AI Agents | Agent Identity",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 122,
      "error": null
    },
    {
      "id": "agentid",
      "name": "AgentID",
      "url": "https://agentid.dev",
      "category": "agent-identity",
      "pricing_hint": "See site",
      "setup": "developer",
      "features": [
        "accounts",
        "agentmail"
      ],
      "blurb": "Create accounts for agents at third-party services using an AgentMail inbox as identity; track where each inbox is signed up.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://agentid.dev",
      "page_title": "AgentID \u2014 Give your agent an identity",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 458,
      "error": null
    },
    {
      "id": "agentmail",
      "name": "AgentMail",
      "url": "https://www.agentmail.to",
      "category": "agent-inbox",
      "pricing_hint": "Free: 3 inboxes / 3k emails; Developer $20/mo",
      "setup": "developer-or-agent",
      "features": [
        "mcp",
        "sdk",
        "imap",
        "smtp",
        "custom-domain",
        "webhooks",
        "threads",
        "pods"
      ],
      "blurb": "Email inbox API built for AI agents: programmatic inboxes, threads, webhooks, IMAP/SMTP, custom domains, Python and TypeScript SDKs, MCP server.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.agentmail.to",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 174,
      "error": null
    },
    {
      "id": "agentmail-docs",
      "name": "AgentMail Docs",
      "url": "https://docs.agentmail.to",
      "category": "docs",
      "pricing_hint": "n/a",
      "setup": "docs",
      "features": [
        "docs"
      ],
      "blurb": "Official AgentMail documentation: API, SDKs, MCP, pods, and inbox lifecycle.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://docs.agentmail.to/welcome",
      "page_title": "Welcome | AgentMail | Documentation",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 344,
      "error": null
    },
    {
      "id": "amazon-ses",
      "name": "Amazon SES",
      "url": "https://aws.amazon.com/ses/",
      "category": "transactional",
      "pricing_hint": "~$0.10/1k send+receive",
      "setup": "developer",
      "features": [
        "inbound",
        "s3",
        "sns",
        "lambda"
      ],
      "blurb": "Lowest per-message cost if you build inboxes yourself. Receipt rules to S3, SNS, or Lambda.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://aws.amazon.com/ses/",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 846,
      "error": null
    },
    {
      "id": "botmail",
      "name": "Botmail",
      "url": "https://botmail.pro",
      "category": "agent-inbox",
      "pricing_hint": "Free: 1 mailbox; Paid from $5/mo",
      "setup": "agent-claim",
      "features": [
        "mcp",
        "cli",
        "rest",
        "draft-review"
      ],
      "blurb": "Agent claims name@botmail.pro via CLI/MCP; human clicks one approval link. Threads, search, drafts, webhooks, wait_for_mail. No custom domains.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://botmail.pro",
      "page_title": "Botmail: a mailbox for every AI agent",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 403,
      "error": null
    },
    {
      "id": "botmail-compare",
      "name": "Botmail provider comparison",
      "url": "https://botmail.pro/compare/best-email-for-ai-agents",
      "category": "docs",
      "pricing_hint": "n/a",
      "setup": "docs",
      "features": [
        "comparison"
      ],
      "blurb": "October 2026 side-by-side of 13 agent email providers with free tiers, MCP/CLI, and custom-domain notes (vendor-published; useful starting matrix).",
      "status": "live",
      "http_status": 200,
      "final_url": "https://botmail.pro/compare/best-email-for-ai-agents",
      "page_title": "Best email API for AI agents: 13 providers compared (2026) \u00b7 Botmail",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 294,
      "error": null
    },
    {
      "id": "brevo",
      "name": "Brevo",
      "url": "https://www.brevo.com",
      "category": "transactional",
      "pricing_hint": "Free + paid",
      "setup": "developer",
      "features": [
        "smtp",
        "api"
      ],
      "blurb": "Email API/SMTP platform often used as a sending layer under agent workflows.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.brevo.com",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 109,
      "error": null
    },
    {
      "id": "carlyemail",
      "name": "CarlyEmail",
      "url": "https://www.usecarly.com",
      "category": "agent-inbox",
      "pricing_hint": "See site",
      "setup": "developer",
      "features": [
        "webhooks",
        "threads",
        "pods"
      ],
      "blurb": "Inbox API shaped like AgentMail: create mailboxes from code, threaded replies, signed webhooks/WebSockets, per-tenant pods.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.usecarly.com",
      "page_title": "Carly AI \u2014 AI Assistant for Email, Calendar, Workflows & More",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 100,
      "error": null
    },
    {
      "id": "cloudflare-email-routing",
      "name": "Cloudflare Email Routing",
      "url": "https://developers.cloudflare.com/email-routing/",
      "category": "inbound-routing",
      "pricing_hint": "Free receiving; Workers Paid for send",
      "setup": "developer",
      "features": [
        "workers",
        "custom-domain"
      ],
      "blurb": "Free unlimited inbound routing on Cloudflare DNS. Pair with Email Workers / Agents SDK for agent handling; paid Workers for sending.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://developers.cloudflare.com/email-service/",
      "page_title": "Cloudflare Email Service \u00b7 Cloudflare Email Service docs",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 121,
      "error": null
    },
    {
      "id": "cloudflare-email-workers",
      "name": "Cloudflare Email Workers",
      "url": "https://developers.cloudflare.com/email-routing/email-workers/",
      "category": "inbound-routing",
      "pricing_hint": "Workers plan",
      "setup": "developer",
      "features": [
        "workers"
      ],
      "blurb": "Run Worker code on inbound mail: parse, route, and trigger agent workflows at the edge.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://developers.cloudflare.com/email-service/api/route-emails/email-handler/",
      "page_title": "Workers API \u00b7 Cloudflare Email Service docs",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 241,
      "error": null
    },
    {
      "id": "courier",
      "name": "Courier",
      "url": "https://www.courier.com",
      "category": "notifications",
      "pricing_hint": "Free + paid",
      "setup": "developer",
      "features": [
        "sdk",
        "templates"
      ],
      "blurb": "Multi-channel notification API with templates\u2014useful when agents trigger user-facing messages.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.courier.com",
      "page_title": "Courier | Customer messaging platform for humans & AI agents",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 68,
      "error": null
    },
    {
      "id": "customerio",
      "name": "Customer.io",
      "url": "https://customer.io",
      "category": "transactional",
      "pricing_hint": "Paid",
      "setup": "developer",
      "features": [
        "journeys",
        "api"
      ],
      "blurb": "Behavioral email/messaging platform; agents can enqueue journeys rather than raw SMTP.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://customer.io",
      "page_title": "Customer.io: Customer Engagement Platform For Better Outcomes",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 115,
      "error": null
    },
    {
      "id": "dead-simple-email",
      "name": "Dead Simple Email",
      "url": "https://deadsimple.email",
      "category": "agent-inbox",
      "pricing_hint": "Free: 5 inboxes / 5k mo; Paid from $5/mo",
      "setup": "developer",
      "features": [
        "mcp",
        "cli",
        "sdk",
        "imap",
        "smtp",
        "custom-domain",
        "pay-per-request"
      ],
      "blurb": "Email infrastructure for AI agents with API, IMAP/SMTP, webhooks, MCP. Agents can also buy an inbox pay-per-request with a wallet/card.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://deadsimple.email",
      "page_title": "Dead Simple Email \u2014 Email Infrastructure for AI Agents",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 58,
      "error": null
    },
    {
      "id": "email-for-agents",
      "name": "Email for Agents",
      "url": "https://emailforagents.com",
      "category": "agent-inbox",
      "pricing_hint": "Free: 1 inbox / 100 units; ~$19 proposed",
      "setup": "developer",
      "features": [
        "mcp",
        "rest",
        "approval-queue"
      ],
      "blurb": "Remote MCP inbox with an approval queue so a human can check mail before it goes out.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://aala.mylarcsupport.com/",
      "page_title": "Annuity & Life Advisors",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 342,
      "error": null
    },
    {
      "id": "forward-email",
      "name": "Forward Email",
      "url": "https://forwardemail.net",
      "category": "inbound-routing",
      "pricing_hint": "Free + paid; OSS",
      "setup": "developer",
      "features": [
        "open-source",
        "forwarding",
        "custom-domain"
      ],
      "blurb": "Open-source email forwarding and privacy-focused routing for custom domains.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://forwardemail.net/en",
      "page_title": "Free Email Forwarding for Custom Domains - Open Source Email Service",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 772,
      "error": null
    },
    {
      "id": "front",
      "name": "Front",
      "url": "https://front.com",
      "category": "shared-inbox",
      "pricing_hint": "Paid",
      "setup": "saas",
      "features": [
        "shared-inbox",
        "api"
      ],
      "blurb": "Customer communication hub (email/SMS/chat) with APIs\u2014common human-in-the-loop layer for agent mail.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://front.com",
      "page_title": "Front | Customer service platform, powered by AI",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 154,
      "error": null
    },
    {
      "id": "gmail-api",
      "name": "Gmail API",
      "url": "https://developers.google.com/gmail/api",
      "category": "human-mailbox",
      "pricing_hint": "Free with Google account quotas",
      "setup": "oauth",
      "features": [
        "oauth",
        "api"
      ],
      "blurb": "Google's mail API for agents acting inside a user's Gmail/Workspace (not a dedicated agent inbox).",
      "status": "live",
      "http_status": 200,
      "final_url": "https://developers.google.com/workspace/gmail/api/guides",
      "page_title": "Gmail API overview  |  Google for Developers",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 714,
      "error": null
    },
    {
      "id": "haraka",
      "name": "Haraka",
      "url": "https://haraka.github.io",
      "category": "self-hosted",
      "pricing_hint": "Open source",
      "setup": "self-hosted",
      "features": [
        "open-source",
        "smtp",
        "plugins"
      ],
      "blurb": "High-performance Node.js SMTP server with a plugin architecture.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://haraka.github.io",
      "page_title": "Haraka SMTP Email Server \u00b7 Haraka",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 39,
      "error": null
    },
    {
      "id": "helpscout",
      "name": "Help Scout",
      "url": "https://www.helpscout.com",
      "category": "shared-inbox",
      "pricing_hint": "Paid",
      "setup": "saas",
      "features": [
        "shared-inbox",
        "api"
      ],
      "blurb": "Help desk shared inbox; agents can draft, humans send\u2014fits approval-gated outreach.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.helpscout.com",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 158,
      "error": null
    },
    {
      "id": "improvmx",
      "name": "ImprovMX",
      "url": "https://improvmx.com",
      "category": "inbound-routing",
      "pricing_hint": "Free forwarding + paid",
      "setup": "developer",
      "features": [
        "forwarding",
        "custom-domain"
      ],
      "blurb": "Simple email forwarding for custom domains. Lightweight way to catch agent signup mail.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://improvmx.com",
      "page_title": "ImprovMX - Forward Emails Easily",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 167,
      "error": null
    },
    {
      "id": "inboxapi",
      "name": "InboxAPI",
      "url": "https://inboxapi.ai",
      "category": "agent-inbox",
      "pricing_hint": "Free (trial limits); paid TBD",
      "setup": "agent-claim",
      "features": [
        "mcp",
        "cli"
      ],
      "blurb": "Personal email address for AI agents via MCP-compatible CLI. Agent sends, receives, searches, replies, and forwards through tool calls.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://inboxapi.ai",
      "page_title": "InboxAPI \u2014 Your AI agent's personal email",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 258,
      "error": null
    },
    {
      "id": "inkbox",
      "name": "Inkbox",
      "url": "https://inkbox.dev",
      "category": "agent-identity",
      "pricing_hint": "Free: 3 identities; Developer $25/mo",
      "setup": "developer",
      "features": [
        "mcp",
        "imap",
        "smtp",
        "sms",
        "phone",
        "a2a",
        "custom-domain"
      ],
      "blurb": "Agent identity with inbox, phone, SMS, and iMessage. IMAP/SMTP, public URL, A2A channel, MCP, multi-language SDKs.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://inkbox.ai/",
      "page_title": "Inkbox",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 134,
      "error": null
    },
    {
      "id": "knock",
      "name": "Knock",
      "url": "https://knock.app",
      "category": "notifications",
      "pricing_hint": "Free + paid",
      "setup": "developer",
      "features": [
        "sdk",
        "workflows"
      ],
      "blurb": "Notification infrastructure (email/push/in-app) for product-triggered agent alerts.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://knock.app",
      "page_title": "Knock | Agentic customer engagement infrastructure",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 92,
      "error": null
    },
    {
      "id": "loops",
      "name": "Loops",
      "url": "https://loops.so",
      "category": "transactional",
      "pricing_hint": "Free + paid",
      "setup": "developer",
      "features": [
        "sdk",
        "transactional"
      ],
      "blurb": "Product email for startups (transactional + loops). Useful when an agent needs polished human-facing mail.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://loops.so",
      "page_title": "Loops | Email Platform for SaaS: Marketing & Transactional",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 233,
      "error": null
    },
    {
      "id": "lumbox",
      "name": "Lumbox",
      "url": "https://lumbox.co",
      "category": "agent-inbox",
      "pricing_hint": "See site",
      "setup": "developer",
      "features": [
        "otp",
        "vault",
        "login-automation"
      ],
      "blurb": "Agent inbox plus OTP extraction, credential vault, and login automation for agents that must complete signups.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://lumbox.co",
      "page_title": "Lumbox: Inboxes and Phone Numbers for AI Agents",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 97,
      "error": null
    },
    {
      "id": "maddy",
      "name": "Maddy",
      "url": "https://maddy.email",
      "category": "self-hosted",
      "pricing_hint": "Open source",
      "setup": "self-hosted",
      "features": [
        "open-source",
        "smtp",
        "imap"
      ],
      "blurb": "Composable open-source mail server in Go. Lightweight self-host option for agent domains.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://maddy.email",
      "page_title": "Home - maddy",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 319,
      "error": null
    },
    {
      "id": "mailcow",
      "name": "Mailcow",
      "url": "https://mailcow.email",
      "category": "self-hosted",
      "pricing_hint": "Open source",
      "setup": "self-hosted",
      "features": [
        "open-source",
        "docker",
        "imap"
      ],
      "blurb": "Dockerized mailserver suite (SOGo, Rspamd, etc.) for self-hosted agent domains.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://mailcow.email",
      "page_title": "mailcow: dockerized - Blog",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 267,
      "error": null
    },
    {
      "id": "mailgun",
      "name": "Mailgun",
      "url": "https://www.mailgun.com",
      "category": "transactional",
      "pricing_hint": "Free limited; Basic from ~$15",
      "setup": "developer",
      "features": [
        "inbound",
        "routes",
        "webhooks"
      ],
      "blurb": "Sending plus inbound routes matching recipient/headers. Good DIY base for agent reply handling.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.mailgun.com",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 101,
      "error": null
    },
    {
      "id": "mails-ai",
      "name": "Mails.ai",
      "url": "https://mails.ai",
      "category": "agent-inbox",
      "pricing_hint": "Free: 1 agent / 3k; Paid from $20/mo",
      "setup": "developer",
      "features": [
        "mcp",
        "sdk",
        "custom-domain"
      ],
      "blurb": "Agent email with MCP and TypeScript/Python SDKs. Magic-link signup; first send creates the agent; custom domains on paid plans.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://mails.ai",
      "page_title": "AI Email API & Infrastructure for AI Agents | Mails.ai",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 165,
      "error": null
    },
    {
      "id": "mailtrap",
      "name": "Mailtrap Agent Inbox",
      "url": "https://mailtrap.io",
      "category": "agent-inbox",
      "pricing_hint": "Free tier + paid from $15/mo",
      "setup": "developer",
      "features": [
        "mcp",
        "sdk",
        "custom-domain",
        "webhooks"
      ],
      "blurb": "Email testing platform that also offers agent inbox + local MCP (npx mcp-mailtrap), webhooks, and custom domains.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://mailtrap.io",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:16Z",
      "latency_ms": 65,
      "error": null
    },
    {
      "id": "mailtrap-mcp-post",
      "name": "Mailtrap MCP guide",
      "url": "https://mailtrap.io/blog/mailtrap-mcp/",
      "category": "docs",
      "pricing_hint": "n/a",
      "setup": "docs",
      "features": [
        "mcp",
        "docs"
      ],
      "blurb": "How to wire Mailtrap's local MCP into an agent stack.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://mailtrap.io/uk/integrate-with/mailtrap-mcp-server/",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:17Z",
      "latency_ms": 527,
      "error": null
    },
    {
      "id": "ms-graph-mail",
      "name": "Microsoft Graph Mail",
      "url": "https://learn.microsoft.com/en-us/graph/api/resources/mail-api-overview",
      "category": "human-mailbox",
      "pricing_hint": "Microsoft 365 licensing",
      "setup": "oauth",
      "features": [
        "oauth",
        "api"
      ],
      "blurb": "Official Graph API for Outlook/Exchange mailboxes when an agent acts on a human's Microsoft account.",
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      "blurb": "Email API for AI agents with hosted MCP. Create inboxes, read, reply, and send from Claude Code or any MCP client.",
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      "http_status": 200,
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      "features": [
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      "blurb": "API-first customer support platform useful when agent threads need a durable support system of record.",
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      "http_status": 200,
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        "webhooks",
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      "url": "https://postmarkapp.com",
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      "setup": "developer",
      "features": [
        "inbound",
        "webhooks",
        "deliverability"
      ],
      "blurb": "Deliverability-first transactional email with inbound parse to JSON webhooks. Strong for agents that mostly send.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://postmarkapp.com",
      "page_title": "Postmark: Fast, Reliable Email Delivery Service | SMTP | API",
      "checked_at": "2026-11-06T12:47:16Z",
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      "id": "proton-bridge",
      "name": "Proton Mail Bridge",
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      "pricing_hint": "Proton paid plans",
      "setup": "local",
      "features": [
        "imap",
        "smtp"
      ],
      "blurb": "Local Bridge exposing Proton Mail over IMAP/SMTP for desktop agents with a Proton account.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://proton.me/mail/bridge",
      "page_title": "",
      "checked_at": "2026-11-06T12:47:17Z",
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      "id": "reloop",
      "name": "Reloop",
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      "category": "agent-inbox",
      "pricing_hint": "OSS self-host; hosted plans available",
      "setup": "developer",
      "features": [
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        "imap",
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      "blurb": "Open-source agent inbox platform plus transactional mail and campaigns. Self-host or use hosted; IMAP-capable.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://reloop.sh",
      "page_title": "Reloop: Open-Source Email API & Infrastructure for Developers",
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      "id": "resend",
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      "http_status": 200,
      "final_url": "https://resend.com",
      "page_title": "Resend \u00b7 Email for developers",
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      "id": "robotomail",
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      "blurb": "Agent follows robotomail.com/skill to claim a mailbox; owner verifies email. MCP, CLI, multiple SDKs; custom domains on paid plans.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://robotomail.com",
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      "id": "sendgrid-inbound-docs",
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      "blurb": "Official docs for parsing inbound email into multipart POST webhooks your agent can consume.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.twilio.com/docs/sendgrid/for-developers/parsing-email/setting-up-the-inbound-parse-webhook",
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    {
      "id": "stalwart",
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      "setup": "self-hosted",
      "features": [
        "open-source",
        "jmap",
        "imap",
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      "blurb": "Modern all-in-one mail server (JMAP/IMAP/SMTP) you can self-host as agent infrastructure.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://stalw.art",
      "page_title": "Stalwart Mail & Collaboration Server",
      "checked_at": "2026-11-06T12:47:17Z",
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      "error": null
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    {
      "id": "sendgrid",
      "name": "Twilio SendGrid",
      "url": "https://sendgrid.com",
      "category": "transactional",
      "pricing_hint": "Free tier + paid",
      "setup": "developer",
      "features": [
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        "webhooks"
      ],
      "blurb": "Transactional/marketing email with Inbound Parse webhook for routing agent replies.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://www.twilio.com/en-us/sendgrid",
      "page_title": "SendGrid Email API and Email Marketing Campaigns | Twilio",
      "checked_at": "2026-11-06T12:47:17Z",
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    {
      "id": "wildduck",
      "name": "WildDuck",
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      "pricing_hint": "Open source",
      "setup": "self-hosted",
      "features": [
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        "imap",
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      "blurb": "Scalable open-source email server focused on IMAP and modern APIs.",
      "status": "live",
      "http_status": 200,
      "final_url": "https://docs.wildduck.email/",
      "page_title": "Wildduck Mail Server",
      "checked_at": "2026-11-06T12:47:17Z",
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}