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20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,148 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    B
    maintenance
    Enables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.
    2
    31
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables sending and receiving email over generic IMAP and SMTP, with tools for searching, reading, drafting, attaching files, managing folders, and waiting for new messages.
    11
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Provides IMAP and SMTP capabilities, enabling developers to manage email services with seamless integration and automated workflows.
    15
    320
    BSD 3-Clause
  • A
    license
    A
    quality
    A
    maintenance
    Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.
    28
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Unofficial MCP server for Proton Mail (not affiliated with Proton AG) — send, read, search & organize email over SMTP/IMAP
    31
    122
    3
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.
    49
    5,599
    102
    LGPL 3.0
  • A
    license
    A
    quality
    A
    maintenance
    Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.
    30
    78
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.
    49
    5,599
    LGPL 3.0
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI assistants to interact with Apple Mail through natural language, providing comprehensive email management including reading, searching, composing, organizing, and analyzing emails across all configured accounts. Includes an expert skill system that teaches intelligent email workflows and productivity strategies.
    26
    201
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Connects multiple Gmail accounts to Claude Desktop via MCP, enabling email search, labeling, drafts, and confirmed sending through natural language.
    13
    215
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.
    8
    16
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server for disposable email — create inboxes, receive emails, and extract OTP codes. Let your AI agent sign up for services, wait for verification emails, and extract codes autonomously.
    7
    61
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Connects AI assistants to Jira Service Management instances, providing 40 tools for managing service desks, requests, comments, customers, organizations, queues, SLA, approvals, and attachments.
    40
    1
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    A multi-service email platform for MCP-compatible clients that supports standard email providers, transactional APIs, and local testing environments. It enables users to send and receive emails, monitor service health, and integrate with messaging webhooks like Slack and Discord through natural language commands.
    10
    2
    MIT