#smtp

Unified MCP server for email access across Gmail, Outlook, iCloud, and generic IMAP/SMTP. 24 tools for searching, sending, organizing, and batch-managing emails with built-in OAuth2 and encrypted credential storage

Postmark MCP Server! An MCP server implementation for Postmark email services.

A simple Node.js MCP server for sending emails and view statistics using TurboSMTP

Enterprise-grade MCP server for automated SOCKS5 proxy pool orchestration and dynamic SMTP port 25 connectivity analytics.

Full email marketing platform for AI assistants — 32 MCP tools for campaigns, contacts, automations, A/B testing, AI subject line generation, multi-channel messaging (email + WhatsApp + push), deliverability monitoring, DMARC health checks, ecommerce revenue attribution, and advanced analytics.

A self-hosted MCP server that gives Claude Code full IMAP and SMTP access. 15 tools cover the boring parts: search across folders, attachment fetch, drafts the agent can revise before send, move/copy/flag/delete, and folder management. Multi-account is built in: Gmail, Fastmail, Proton via Bridge, iCloud, Outlook 365, and any generic IMAP server can run side by side in one .env. Credentials never leave your machine.

Give Claude its own email address. QMailing exposes real, persistent mailboxes as MCP tools — create mailboxes on demand, send and read emails, manage custom domains, and register webhooks through natural conversation. 12 tools out of the box, scoped revocable tokens, RFC-7807 error envelopes, signed webhooks. Free tier available; 3 days of Plus on first connect via Claude.