Automate email categorization & response generation with Gmail & GPT-4
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Gmail AI Email Manager - Setup Guide
🎯 Workflow Overview
This workflow will create an intelligent Gmail email manager that can:
- Monitor incoming emails via webhook
- Analyze email content using AI
- Categorize emails automatically
- Generate smart responses
- Take actions based on email content
- Send notifications for important emails
📋 Pre-Setup Checklist
Before we build the workflow, let me gather the necessary information and validate our approach.
Phase 1: Discovery & Planning
- Search for Gmail nodes
- Find AI analysis nodes
- Identify webhook trigger options
- Check notification nodes
Phase 2: Configuration Requirements
- Gmail API credentials
- AI service (OpenAI/Claude) API key
- Webhook URL setup
- Email classification rules
🔧 Setup Instructions
Step 1: Gmail API Setup
- Go to Google Cloud Console
- Create new project or select existing
- Enable Gmail API
- Create OAuth 2.0 credentials
- Add authorized redirect URI:
https://your-n8n-instance.com/rest/oauth2-credential/callback
Step 2: AI Service Setup
Choose one of the following:
- OpenAI: Get API key from platform.openai.com
- Claude: Get API key from console.anthropic.com
- Local AI: Set up Ollama or similar
Step 3: n8n Credentials
- Gmail OAuth2: Add client ID, secret, and scopes
- AI Service: Add API key
- Webhook: Configure webhook URL
Gmail AI Email Manager - Setup Guide
🔧 Quick Setup Checklist
1. Google Cloud Console
- Enable Gmail API
- Create OAuth2 credentials
- Add redirect URI:
https://your-n8n.com/rest/oauth2-credential/callback - Set up Gmail push notifications with Pub/Sub
2. API Keys
- Get OpenAI API key from platform.openai.com
- Create Google Sheets for logging (optional)
3. n8n Credentials
- Gmail OAuth2: Client ID, Secret, Scopes:
gmail.readonly,gmail.modify,gmail.compose - OpenAI API: Your API key
4. Gmail Labels (Create these)
- URGENT (red)
- IMPORTANT (orange)
- PROMOTIONAL (purple)
- PERSONAL (green)
- WORK (blue)
- SPAM (gray)
5. Update Workflow Values
- High Priority Alert: Change notification email
- Spreadsheet Log: Update sheet ID (if using)
- Webhook: Copy URL after saving workflow
6. Test
- Save & activate workflow
- Send test email to Gmail
- Check execution log
- Verify auto-categorization works
That's it! Your AI email manager is ready! 🚀