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How to install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Cursor

To install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Cursor, click "Add to Cursor" on this page or paste the "letterkeel-send-email-via-smtp-resend-se" block into ~/.cursor/mcp.json, then check for a green dot in Cursor Settings under MCP.

Built from the published package · server updated 11 days ago

1. 1

   One click (fastest)

   Click the button to open Cursor with this server ready to add.

   Add Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun to Cursor
2. 2

   Or add it by hand

   Open Cursor Settings, then MCP, then Add new MCP server, or edit mcp.json directly and paste:

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

   Copy
3. 3

   Turn it on

   In Settings, MCP, make sure the server shows a green dot. Use it in Agent mode.

Config file: ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project)

MCP servers run with your permissions. If Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun needs an API key, add it under env in the config. Check its README.

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