Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun

Name: Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun
Author: cybermax

Verified · cybermax.cybermax-tools.workers.dev

MCP server by cybermax · updated 11 days ago

Score 16

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun is published by cybermax.cybermax-tools.workers.dev from its verified domain in the official MCP Registry.

Install Add to Cursor Add to VS Code Website

Works withClaude Code Claude Desktop Cursor Codex Gemini CLI VS Code Windsurf ChatGPT Antigravity CLI

Licence

No licence found, so reuse rights are unclear

Quality

Clear description, published package or server URL, original repository

Security

Not checked yet. What we check

Install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun

Built from the published package, never by AI

claude mcp add --transport http letterkeel-send-email-via-smtp-resend-se https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Claude Code

{
  "mcpServers": {
    "letterkeel-send-email-via-smtp-resend-se": {
      "url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry"
    }
  }
}

Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.

Step-by-step: install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Claude Desktop

{
  "mcpServers": {
    "letterkeel-send-email-via-smtp-resend-se": {
      "url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry"
    }
  }
}

Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

Step-by-step: install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Cursor

{
  "servers": {
    "letterkeel-send-email-via-smtp-resend-se": {
      "url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry"
    }
  }
}

Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".

Step-by-step: install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in VS Code

{
  "mcpServers": {
    "letterkeel-send-email-via-smtp-resend-se": {
      "serverUrl": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry"
    }
  }
}

Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).

Step-by-step: install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Antigravity CLI

https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry

In ChatGPT: Settings, Connectors, Add custom connector, then paste this URL. Works in any client that supports remote servers.

Step-by-step: install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in ChatGPT

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the letterkeel-send-email-via-smtp-resend-se block.

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Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun vs Vexa Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun vs TradingMCP Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun vs Agent-Native Brain

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun: common questions

How do I install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun?

In Claude Code run claude mcp add --transport http letterkeel-send-email-via-smtp-resend-se https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun the official server?

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun is published by cybermax.cybermax-tools.workers.dev from its verified domain in the official MCP Registry.

Is Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun free?

The code is public, but no licence file was found, so check the repository before commercial use.

Is Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun safe to use?

It scores 16 of 100. Grades: licence F, quality C. The security check has not run for it yet. Review the code before you install. How grades work.

What are alternatives to Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun?

Similar MCP servers: Vexa, TradingMCP, Agent-Native Brain, Agent-Native Chat.

Does Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun work with ChatGPT?

Yes. Add its server URL in ChatGPT as a custom connector. See MCP in ChatGPT.