How to Send Emails in Claude Desktop with Mailtrap MCP

Mailtrap’s MCP server integrates with Claude Desktop to let users generate and send emails through conversational prompts on Windows or macOS, provided they have an updated Node.js installation, Claude Desktop app, and Mailtrap account. Setup involves adding a Mailtrap MCP configuration to Claude’s desktop configuration file using an API token and a verified default sender address from Mailtrap, then reloading the application and enabling the MCP tool in a new chat. Users can request plain-text emails, HTML-formatted messages, or emails to multiple recipients, approving Claude’s use of the Mailtrap tool when prompted. Sent messages can be reviewed through Mailtrap’s Email Logs, including HTML previews and delivery properties, while additional resources describe using the integration for templates, campaign analysis, email testing, personalization, and sending emails from development environments.

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