"Proton Mail" matching MCP connectors:
Matching Connector Tools:
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Agent-run cold-email infra: 24 MCP tools, live sending, free sandbox. $99/mo, concierge go-live.
Verify email deliverability & find business emails (single or bulk) via the Verifox API.
Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.
Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.
Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).
Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.
MCP server for e-mail testing: create disposable inboxes, wait for delivery, and extract e-mail content or links - all from your AI agent or test automation workflow. Get a free API key on https://app.zyntra.app/
Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.
send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
Send transactional emails for AI agents via SMTP. Templates included.
Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).
Phone, SMS & email for AI agents. One remote MCP server (Streamable HTTP, OAuth or API-key auth, no local install) exposing call, sms, email, and event tools; also usable via CLI, Python SDK, and OpenAPI. Self-hostable, AGPLv3.
Shared inbox and customer support platform for teams. Manage email conversations, assignments, labels, internal notes, contacts, and replies. 29 tools. Connect with your Helpmonks access token.