Mail MCP Server

What is mail-mcp?

Production-ready email MCP server for AI agents. It integrates with IMAP, SMTP, Microsoft Graph API, and Exchange Web Services (EWS) to provide read, search, send, reply, forward, and bulk operations. Written in Rust for speed and safety, it supports real OAuth2 and multiple accounts across providers like Microsoft 365, Gmail, Zoho, Fastmail, and any generic IMAP/SMTP server.

How to use mail-mcp?

—

Key features of mail-mcp

• 18 IMAP read/write tools (vs. 3–5 typical)
• SMTP send, reply, forward with multipart support
• Microsoft Graph API and Exchange Web Services
• Native OAuth2 for XOAUTH2 authentication
• Multi-account and multi-provider configuration
• 64 unit + integration tests, zero release-build warnings

Use cases of mail-mcp

• AI agent sends and manages emails across enterprise Microsoft 365 accounts
• Read, search, and organize emails from Gmail, Zoho, or Hotmail
• Automatic sent-message deduplication per provider (Gmail, Zoho, Office 365)
• Bulk forward or reply to messages with attachments via Graph API
• Replace multiple single-account email MCP servers with one unified tool

FAQ from mail-mcp