What is the key difference between SMTP) and Lumail?

SMTP) belongs to the Communication category with local stdio execution, while Lumail belongs to the Communication category with local stdio execution.

How do I install SMTP) or Lumail in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are SMTP) and Lumail free or paid?

SMTP) operates under a Free / Open Source model (No auth required). Lumail operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

SMTP) lists 0 tools with 0 views and 2 GitHub stars. Lumail lists 0 tools with 1 views and 1 GitHub stars.

Can I use both SMTP) and Lumail together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

SMTP) vs Lumail

In-depth architectural comparison of the SMTP) and Lumail MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

SMTP)

Communication · Local stdio

Quality: 32/100 (Emerging) | Auth: No auth required

Lumail

Communication · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose SMTP) if you need specialized Communication tools running via a local process. Choose Lumail if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose SMTP) when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore SMTP) Details

Choose Lumail when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Lumail Details

Feature & Specification Comparison

Specification	SMTP) Email (IMAP Communication	Lumail Communication
Summary	Multi-account IMAP/SMTP email server with 22 tools for reading, sending, searching, and organizing.	Official Lumail email marketing MCP for campaigns, subscribers, and workflows.
Category & Scope	Communication	Communication

Tools & Capabilities Breakdown

SMTP) Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Lumail Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

SMTP) Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "email-imap-smtp": {
      "command": "npx",
      "args": [
        "-y",
        "email-imap-smtp"
      ]
    }
  }
}

Lumail Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "lumail": {
      "command": "npx",
      "args": [
        "-y",
        "lumail"
      ]
    }
  }
}

Frequently Asked Questions

SMTP) is categorized under Communication and uses a local stdio subprocess. In contrast, Lumail belongs to Communication using local stdio subprocess. Select SMTP) when you need capabilities focused on communication and Lumail when you require tools for communication.

More alternatives to SMTP)More alternatives to Lumail Communication category hub