Smart Email Auto-Responder Template using AI

n8n template #3277

Summary

Smart Email Auto-Responder with AI Classification Automatically Categorize and Reply to Emails using LangChain + Google Gemini + Gmail + SMTP + Brevo This n8n workflow is designed to intelligently manage incoming emails and automatically send personalized responses based on the content. It classifies emails using LangChain's Text Classifier, sends HTML responses depending on the category, and updates Gmail and Brevo CRM accordingly. Key Features Triggers and Classifies Emails Listens for new Gmail messages every hour Uses AI-based classification to identify the type of inquiry For Example: Guest Post YouTube Review Udemy Course Inquiry Responds Automatically Sends professional HTML replies c

How to set it up

Open template #3277 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create 4 credentials under Credentials → Add credential: Send Email, Gmail, Brevo, Google Gemini Chat Model. Then open each of those nodes and pick the credential.
Check the model in the Google Gemini Chat Model node. The template may point at a model your account can't use; swap it for one you have access to.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "Smart Email Auto-Responder Template using AI" (https://n8n.io/workflows/3277). It uses: Send Email, Gmail, Brevo, Google Gemini Chat Model, Text Classifier. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

Send Email GmailBrevoGoogle Gemini Chat Model Text Classifier

Questions

Yes. Amjid Ali published it free on n8n.io as a verified creator, and it has 12K views. It runs on n8n Cloud or a self-hosted n8n instance.

Send Email, Gmail, Brevo, Google Gemini Chat Model. The other 1 node are built into n8n.

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