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Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.
MCP endpoint :https://ai.agentemaillist.com/mcp · website · measurements and detailsLetterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
MCP endpoint :https://mcp.apify.com?tools=cybermax/send-email · website · measurements and detailsLetterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
MCP endpoint :https://mcp.apify.com/?tools=cybermax/send-email · website · measurements and detailsMCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation
Package npm :@ni-c/smtp-mcp · website · measurements and detailsMulti-account IMAP/SMTP email server with 22 tools for reading, sending, searching, and organizing.
Package oci :ghcr.io/boutquin/mcp-server-email:latest · website · measurements and detailsEmail IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers
Package npm :@mindstone/mcp-server-email-imap · website · measurements and detailsSend transactional emails for AI agents via SMTP. Templates included.
MCP endpoint :https://mifactory-email.vercel.app/mcp · website · measurements and detailsSend transactional pdfs for AI agents via SMTP. Templates included.
MCP endpoint :https://mifactory-pdf.vercel.app/mcp · website · measurements and detailsEmpower AI agents with SendPulse email, CRM, chatbot, SMTP, and course automation
MCP endpoint :https://mcp.sendpulse.com/mcp · website · measurements and detailsContinuity protocol for autonomous AI agents. Agent messaging with SMTP bridge and LN payments.
MCP endpoint :https://getcourier.dev · website · measurements and detailsVerify emails and domains for routing, disposable providers, role accounts, and SMTP risk.
MCP endpoint :https://emailverifier.dev/mcp · website · measurements and detailsLet AI agents send email from your own Gmail, Microsoft 365 or SMTP inbox, with guardrails.
MCP endpoint :https://api.marleyfetch.com/mcp · website · measurements and detailsVerify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.
MCP endpoint :https://checkmails.eu/api/mcp · website · measurements and detailsCheck SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.
MCP endpoint :https://themailx.com/mcp · website · measurements and detailsFind and verify B2B work emails and enrich contacts — live SMTP verification.
MCP endpoint :https://mcp.leadmagic.io/mcp · website · measurements and detailsEmail validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.
Package npm :@bounceprotect/mcp · website · measurements and detailsEmail validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.
Package npm :@bounceprotect/mcp · website · measurements and detailsEmail for AI agents — read inbox (IMAP), search, and send (SMTP).
Package npm :@infoinlet/mcp-email · website · measurements and detailsCredential custody for agents: use secrets blind (ssh/http/smtp/git/db), never in context.
Package npm :demipass · website · measurements and detailsMailoo — email MCP server for IMAP, SMTP, and ManageSieve. Multi-account, per-folder profiles.
Package npm :@bitfloo/mailoo · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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