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btafoya/mailsandbox

btafoya/mailsandbox

@btafoya

MailSandbox is a fast, zero-dependency email testing tool & API with a web UI, SMTP server, Postmark API emulation, and MCP server for AI-assisted debugging.

emailtestingsmtpmcppostmarkdebuggingapitool

Installation & Configuration

{
  "mcpServers": {
    "mailsandbox": {
      "command": "mailsandbox",
      "args": [
        "--mcp-server",
        "--mcp-transport",
        "stdio"
      ]
    }
  }
}

Information

Transport
stdio
Language
Go
Created
2026/6/15
Updated
2026/6/15
Homepage
https://github.com/btafoya/mailsandbox