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SMTPfast

Official registry Productivity

Send and receive email, and manage templates, inboxes, contacts and broadcasts.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http smtpfast 'https://smtpfa.st/api/mcp' --header 'Authorization: <Bearer followed by an SMTPfast API key. Not needed when the client connects with OAuth.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "smtpfast": {
            "type": "http",
            "url": "https://smtpfa.st/api/mcp",
            "headers": {
                "Authorization": "<Bearer followed by an SMTPfast API key. Not needed when the client connects with OAuth.>"
            }
        }
    }
}

Frequently asked questions

What is SMTPfast?

Send and receive email, and manage templates, inboxes, contacts and broadcasts.

How do I install SMTPfast?

It runs as a remote server. In Claude Code: claude mcp add --transport http smtpfast 'https://smtpfa.st/api/mcp' --header 'Authorization: <Bearer followed by an SMTPfast API key. Not needed when the client connects with OAuth.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does SMTPfast need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains SMTPfast?

It is published by st.smtpfa. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.