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Automated stale user re-engagement system with Supabase, Google Sheets & Gmail

Workflow preview

Automated stale user re-engagement system with Supabase, Google Sheets & Gmail preview
Open on n8n.io

Important notice

This workflow is provided as-is. Please review and test before using in production.

Overview

Built this workflow because most of our users signed up, then vanished after ~30 days. It runs daily, grabs those stale users from Supabase, updates a Google Sheet for tracking, and automatically sends each one a personalized HTML email through Gmail to bring them back.

All fully automated — so once it’s set up, it quietly does its job in the background. Currently, it only supports Supabase, but the concept should work with any DB or API if you swap out the request node.