What This Workflow Does
This automation solves the challenge of creating and distributing personalized promotional materials at scale. Traditional methods require manual design work for each recipient, leading to high costs and slow turnaround times. Our workflow automates the entire process from email verification to card generation and distribution.
The system checks each email address for validity before generating a unique promo card. It creates customized designs with the recipient's name, a special offer, and a scannable QR code. Completed cards are automatically emailed to verified addresses while invalid emails are flagged for review. All activity is logged in Google Sheets for tracking and analysis.
How It Works
1. Email Verification
The workflow first validates each email address using multiple verification checks. It confirms the domain exists, checks for disposable email services, and validates the mailbox format. Only addresses passing all checks proceed to the next step.
2. Promo Code Generation
For each verified email, the system generates a unique alphanumeric promo code. These codes can be tied to specific customer segments, offer types, or expiration dates. The codes are stored in Google Sheets with creation timestamps.
3. Card Design Assembly
Using a template, the workflow assembles personalized card designs. It inserts the recipient's name, generated promo code, and a dynamic QR code linking to your offer. The design can include variable images, colors, and messaging based on customer data.
4. Automated Distribution
Completed cards are attached to personalized emails sent through Gmail. The system tracks delivery status and logs any bouncebacks. Successful sends are marked in your spreadsheet, while failures trigger notification alerts.
Pro tip: Use conditional formatting in Google Sheets to highlight high-value promo codes that get redeemed quickly. This helps identify your most effective offers.
Who This Is For
This automation delivers the most value for businesses running regular promotional campaigns. Ecommerce stores can automate welcome offers or loyalty rewards. SaaS companies can streamline trial conversions with personalized upgrade incentives. Brick-and-mortar retailers benefit by driving foot traffic with scannable QR codes.
Marketing teams managing email lists of 500+ contacts will save dozens of hours per campaign. Sales teams running referral programs can automatically reward both referrers and new customers. The system scales effortlessly from dozens to thousands of recipients.
What You'll Need
- An n8n instance (cloud or self-hosted)
- Google Workspace account with Gmail and Sheets access
- Basic design template for your promo cards (PNG or PDF)
- List of recipient emails in Google Sheets
- Offer details (discount amounts, expiration dates, etc.)
Quick Setup Guide
- Download and import the JSON workflow file into your n8n instance
- Connect your Gmail and Google Sheets accounts in n8n
- Upload your card design template to the workflow
- Map your data fields (name, email, offer details)
- Test with a small batch of emails before full deployment
Key Benefits
3-5x higher engagement compared to generic promo emails. Personalized cards feel more exclusive and relevant to recipients.
90% cost reduction versus manual card creation. Automating design and distribution eliminates most labor expenses.
Real-time tracking of which codes get redeemed. The Google Sheets log provides instant campaign analytics.
Fraud prevention through email verification. Only valid addresses receive your valuable promotions.
Scalable execution from 10 to 10,000 recipients. The system handles volume spikes effortlessly.