How to install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Windsurf
To install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in Windsurf, paste the "letterkeel-send-email-via-smtp-resend-se" block into ~/.codeium/windsurf/mcp_config.json and refresh the MCP panel in Cascade.
Built from the published package · server updated 25 days ago
- 1
Open the MCP config
In Windsurf, open Settings, then Cascade, then MCP servers, and choose to view the raw config.
- 2
Add the server
Paste this into mcp_config.json:
{ "mcpServers": { "letterkeel-send-email-via-smtp-resend-se": { "url": "https://mcp.apify.com?tools=cybermax/send-email" } } } - 3
Refresh
Click refresh in the MCP panel. The server and its tools appear in Cascade.
Config file: ~/.codeium/windsurf/mcp_config.json
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.
Install Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun in another app
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Questions
Does Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun work in Windsurf?
Yes. Windsurf supports local and remote mcp servers, and Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun installs with the steps above.
Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun does not show up in Windsurf. What now?
Restart Windsurf fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun safe?
It scores 12 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
