Automate Email Categorization & Response Generation with Gmail & GPT-4

Description

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! 🚀