🔐 Double Opt-In Email Verification with Google Sheets

Secure double opt-in system that verifies emails via unique codes stored in Google Sheets before granting form access. Integrates forms, Sheets, and SMTP for compliance and spam prevention.

This n8n workflow implements a professional double opt-in email verification system using Google Sheets as a secure database. It collects user emails from an initial form, generates a unique 6-digit verification code, stores the data (including timestamp, ID, terms acceptance, email, and code) in Sheets, and sends a verification email via SMTP. Upon code entry, it validates against Sheets and unlocks the main form upon success. The workflow ensures high security and compliance by preventing fak
Platform
n8n
Category
Finance
Price
$14.99
Creator
Jordi Faber

How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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