Send post-purchase email sequences with Postgres, Gmail and OpenAI

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How it works This workflow automates customer communication after an order is placed. It detects new orders, sends a confirmation email, waits until delivery is completed, and then follows up with AI-generated product tips. Finally, it sends AI-powered upsell recommendations after a defined delay. The workflow runs on a schedule and requires no manual handling. Step-by-step Step 1 — Order detection and confirmation** Schedule Trigger – Runs at a fixed interval to check for new orders.