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tecnologicachile/mail-mcp

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Secure IMAP/SMTP/EWS/Graph API MCP server in Rust — Microsoft 365, Hotmail, Gmail, Zoho, OAuth2, multi-account

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MCP

tecnologicachile/mail-mcp

Added 16 Sept 2026

Catalogue record, not a reviewed recommendation. This record can include automatically collected descriptions and setup details. Confirm important claims with the original source. Explore source-reviewed tools.

Overview

An MCP server written in Rust that exposes email over IMAP, SMTP, EWS, and Microsoft Graph API. Supports Microsoft 365, Hotmail, Gmail, and Zoho with OAuth2 and multi-account configuration.

Best for

Best for
Developers building MCP-based tools that need secure, multi-provider email access.

Use cases

  • Connect an AI assistant to a mailbox for reading and sending email via MCP
  • Automate email workflows across multiple accounts and providers
  • Authenticate with OAuth2 for secure IMAP/SMTP or Graph API access

How to use

Tools exposed

  • list_all_accounts
  • imap_list_accounts
  • imap_verify_account
  • imap_list_mailboxes
  • imap_mailbox_status
  • imap_search_messages
  • imap_get_message
  • imap_get_message_raw
  • imap_get_attachment
  • imap_update_message_flags
  • imap_copy_message
  • imap_move_message
  • imap_delete_message
  • imap_create_mailbox
  • imap_delete_mailbox
  • imap_rename_mailbox
  • imap_append_message
  • imap_bulk_move
  • imap_bulk_delete
  • smtp_send_message

Clients listed in this record (not verified here)

Claude Code, Cursor, Continue

Notes

81 stars on GitHub. Last updated 2026-09-10. Licensed MIT.

Pros

  • Rust gives strong performance and memory safety
  • Covers several major email providers with multiple protocols
  • OAuth2 support reduces reliance on plain password authentication

Cons

  • Requires self-hosting and manual configuration
  • Small project with 81 stars, so limited community support
  • Setup complexity may be high for non-developers

Pairs with

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