tecnologicachile/mail-mcp

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

Tested with

Claude Code, Cursor, Continue

Notes

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.

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

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

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

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.