io.github.msgwing/zerosmtp

io.github.msgwing/zerosmtp

A free SMTP relay that still takes a username and password, for devices that cannot do OAuth 2.0.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "zerosmtp": {
      "command": "npx",
      "args": [
        "-y",
        "zerosmtp-mcp@1.0.2"
      ]
    }
  }
}

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.0.2
Registry
active
Published
9/1/2026

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