Automated Post-Purchase Emails for Gumroad with Notion CRM and Gemini AI

Mirai MailFlow – Gumroad Personalized Autoreply

This n8n template automates post-purchase communication for Gumroad creators by sending AI-powered personalized thank-you emails and logging customer data into Notion. It helps creators engage buyers instantly while keeping a clean customer CRM — fully hands-free.

Use cases

• Automatically send personalized thank-you emails after every Gumroad purchase
• Maintain a lightweight customer CRM in Notion
• Reduce manual email follow-ups for digital product sales
• Improve buyer experience and post-purchase engagement
• Build a foundation for creator support, upsells, or onboarding flows

Good to know
This workflow connects to a few external services, so credentials must be configured before running the template. It works on both n8n Cloud and self-hosted instances, and setup typically takes 5 minutes.

Requirements

• n8n Cloud or self-hosted instance
• Gmail account (OAuth connected) to receive and send emails
• Notion account with a customer database
• Google Gemini API key for AI-generated email content

Customising this workflow

• Replace Gmail with Slack, Telegram, or WhatsApp for message delivery
• Swap Google Gemini with OpenAI or Claude for different writing styles
• Add follow-up emails, upsells, or discount links
• Extend the Notion database into a full creator CRM
• Use it as a base for Gumroad analytics, support automation, or AI creator tools