Domain Security alternatives
24 email MCP servers from other publishers do the same job as Domain Security. The closest match comes first, then the best rated, with at most two per publisher.
Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready19130/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready191Free55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.
No reviews yetgateway-ready35FreeMonitor and manage email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) for your domains.
No reviews yetgateway-ready6.4k/wkFreeMCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments
No reviews yetlocal · npm1941/wkFreeDNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
No reviews yetgateway-ready9FreeDNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
No reviews yetgateway-ready276/wkFreeAI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.8k886/wkFreeAI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.7kFreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetgateway-ready12582/wkFreeAnalyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
No reviews yetgateway-ready71.1k/wkFreeLightweight DMARC parser: auto-fetch email reports, visualize compliance in a single all-in-one app
No reviews yetlocal · oci207FreeSend transactional email, run campaigns, manage contacts and automations, audit deliverability.
No reviews yetgateway-ready1219/wkFreePrivacy-focused email: domains, DNS verification, aliases, SMTP sending, mailboxes and calendars.
No reviews yetlocal · npm2278/wkFreeAI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.
No reviews yetgateway-ready133/wkFreeSend email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
No reviews yetgateway-ready51/wkFreeAgent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
No reviews yetgateway-ready6FreeAbnormal Security email threats, cases, and reporting in your terminal and your AI agents.
No reviews yetlocal · mcpb46FreeBuy .vn/intl domains in VND, deploy apps, Postgres, email, VietQR pay — Vietnam MCP for AI agents
No reviews yetlocal · npm433/wkFreeEmail MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
5.0(1)local · npm1.3k/wkFreeRender markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
No reviews yetgateway-ready1.4k4.6k/wkFreeSearch Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready12kFreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready7.0kFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready267585/wkFree
Domain Security alternatives by what you need
Open source Domain Security alternatives (18)
Published under an open licence such as MIT or Apache-2.0.
e2a — email for AI agents, e2a — email for AI agents, ContrastAPI, Palisade, Netintel, IntoDNS.ai DNS & Email Security Scanner, OpenOSINT, OpenOSINT and 10 more below.
Hosted Domain Security alternatives (16)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
e2a — email for AI agents, e2a — email for AI agents, ContrastAPI, Palisade, BlackVeil DNS & Email Security Scanner, IntoDNS.ai DNS & Email Security Scanner, smbCloud Mail & Auth, Emailens MCP and 8 more below.
Local Domain Security alternatives (8)
A package you install and run on your own machine, so your data stays on your computer.
Netintel, OpenOSINT, OpenOSINT, Parse-DMARC MCP Server, Forward Email, Abnormal Security MCP, Monacloud, Mailoo - Email MCP Server.
Safest Domain Security alternatives (14)
Graded A: passed every check the scanner runs on the latest release.
e2a — email for AI agents, e2a — email for AI agents, Palisade, smbCloud Mail & Auth, Parse-DMARC MCP Server, MisarMail MCP Server, Forward Email, Qmailing and 6 more below.
Domain Security and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Domain Security(this one) | A92 | No reviews yet | MIT | Local | 1 |
| e2a — email for AI agents | A96 | No reviews yet | Apache-2.0 | Hosted | 191 |
| e2a — email for AI agents | A93 | No reviews yet | Apache-2.0 | Hosted | 191 |
| ContrastAPI | B75 | No reviews yet | MIT | Hosted | 35 |
| Palisade | A94 | No reviews yet | MIT | Hosted | 0 |
| Netintel | B83 | No reviews yet | MIT | Local | 1 |
| BlackVeil DNS & Email Security Scanner | B77 | No reviews yet | NOASSERTION | Hosted | 9 |
| IntoDNS.ai DNS & Email Security Scanner | B83 | No reviews yet | MIT | Hosted | 2 |
| OpenOSINT | C63 | No reviews yet | MIT | Local | 1.8k |
| OpenOSINT | C58 | No reviews yet | MIT | Local | 1.7k |
| smbCloud Mail & Auth | A92 | No reviews yet | NOASSERTION | Hosted | 12 |
| Emailens MCP | B82 | No reviews yet | MIT | Hosted | 7 |
| Parse-DMARC MCP Server | A90 | No reviews yet | Apache-2.0 | Local | 207 |
| MisarMail MCP Server | A90 | No reviews yet | MIT | Hosted | 1 |
| Forward Email | A86 | No reviews yet | NOASSERTION | Local | 2 |
| Qmailing | A96 | No reviews yet | MIT | Hosted | 1 |
| Mailkite | A99 | No reviews yet | MIT | Hosted | 0 |
| Palmyr | B80 | No reviews yet | MIT | Hosted | 6 |
| Abnormal Security MCP | B75 | No reviews yet | NOASSERTION | Local | 46 |
| Monacloud | C58 | No reviews yet | MIT | Local | 0 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| emailmd | A93 | No reviews yet | MIT | Hosted | 1.4k |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 12k |
| Agent-Native Mail | A98 | No reviews yet | Not stated | Hosted | 7.0k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |