This article provides a complete, practical walkthrough of the Stickynote Gmail Create Triggered n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:  
   How This Powerful n8n Workflow Automates Email Responses Using AI and Gmail
   
   Meta Description:  
   Discover how an intelligent n8n workflow uses Gmail, Google's Gemini AI, and custom email templates to classify and automate replies to incoming emails, streamline outreach, and manage contacts in Brevo.
   
   Keywords:  
   n8n workflow automation, Gmail automation, Google Gemini AI, AI email response, guest post inquiry automation, YouTube review requests, Udemy course information, syncbricks automation, email classification AI, Brevo contact manager, low code AI automation, Amjid Ali
   
   Third-Party APIs Used:
   
   1. Gmail API (via Gmail OAuth2)  
   2. LangChain Text Classifier (n8n LangChain plugin)  
   3. Google Gemini AI (PaLM) API  
   4. SMTP (Email Sender)  
   5. Brevo API (formerly Sendinblue)
   
   Article:
   
   Automated Email Classification and Response Using n8n, Gmail, and Google Gemini
   
   In today’s digital-first world, email remains one of the most critical communication channels for professionals and businesses. But managing an ever-growing inbox can be time-consuming—especially when emails vary from guest post inquiries to YouTube collaboration requests or online course questions. Enter automation: a game-changing solution to streamline operations, save time, and improve response speed and consistency.
   
   This article explores an intelligent email automation workflow built using n8n—a powerful, extendable workflow automation tool. Crafted by Amjid Ali and integrated with Gmail, Google Gemini AI, and Brevo (Sendinblue), the workflow smartly classifies and responds to emails based on content analysis, delivering tailored replies with zero manual intervention. Here's how it works.
   
   Step 1: Gmail Trigger Monitors the Inbox
   
   The process starts with the Gmail Trigger node in n8n. This node is set to check for new emails every hour using Gmail’s OAuth2 API. Whenever an email arrives, the workflow is initiated only if the message does not originate from an internal domain (e.g., @syncbricks.com) to ensure it handles only external inquiries.
   
   Step 2: AI-Powered Email Classification
   
   Next, the LangChain Text Classifier analyzes the email’s subject and body to determine its intent. The model is trained to classify the message into one of three categories:
   
   1. Guest Post: Messages seeking to publish articles or include backlinks on specific websites.
   2. YouTube: Messages inquiring about product or service review videos.
   3. Udemy Courses: Messages interested in SyncBricks's various online training offerings.
   
   The classifier uses powerful natural language processing (NLP) with pre-defined category descriptions to enhance accuracy.
   
   Step 3: Tailored Email Responses for Each Category
   
   Depending on the category identified, the appropriate email response is automatically generated and delivered using one of three SMTP-powered nodes:
   
   - Guest Post Inquiries  
   Recipients receive a detailed HTML email outlining guest post and link insertion options, publication timelines, content guidelines, and accepted payment methods. The email links to various platforms like syncbricks.com and others where content can be featured.
   
   - YouTube Video Inquiries  
   A professionally formatted email explains the video review offerings, complete with sample content, pricing, engagement benefits, and next steps to book a review slot on the SyncBricks YouTube channel.
   
   - Udemy Course Inquiries  
   This richly detailed message introduces SyncBricks' Udemy courses, including links to specific classes ranging from AI automation to pfSense firewall management. It also promotes their YouTube channel and SyncBricks LMS for extended learning.
   
   Each response is automatically personalized and sent as a reply to the original sender, referencing their inquiry subject line.
   
   Step 4: Housekeeping – Mark as Read, Labeling, and Contact Capture
   
   Once the appropriate response is sent, the workflow marks the email as read and assigns it a specific label using the Gmail API—keeping the inbox tidy and easy to navigate.
   
   In parallel, the contact information is added or updated in Brevo (Sendinblue), creating a consolidated CRM database for future outreach campaigns.
   
   Bonus Features: AI and Smart Conditions
   
   - Gemini (PaLM) Integration  
   An optional integration with Google Gemini (via LangChain's Gemini Chat Model) allows for enriched AI interaction and fallback classification for complex email types, potentially enhancing future versions of the workflow.
   
   - Conditional Filters  
   The workflow uses conditional logic nodes to bypass internal emails and prevent replying to already-responded threads (subjects beginning with "Re:")—ensuring professionalism and filter efficiency.
   
   Creator’s Note and Licensing
   
   This impressive automation was developed by Amjid Ali, founder of SyncBricks, who made the workflow publicly available along with detailed guidance and links to support further learning. In his words, this project encompasses “countless hours of hard work” and is part of broader educational offerings hosted on LMS.SyncBricks.com.
   
   Conclusion: Streamlined Communication with Smart Automation
   
   Thanks to this universal workflow, users can drastically reduce the time spent on routine email management—responding intelligently, preserving context, and improving user engagement. Whether you're managing blogger outreach, partnering for content marketing, or offering online training, this n8n solution brings stellar ROI through intelligent integration and workflow orchestration.
   
   For those just beginning their automation journey or wanting to scale their client communication, Amjid Ali’s template presents a scalable, AI-powered foundation to modernize how your business handles incoming opportunities.
   
   Try it out, customize to your needs, and unleash the full power of low-code automation.
   
   —
   
   Resources:  
   - n8n Workflow Documentation: n8n.io  
   - Buy N8N Mastery Book: https://www.amazon.com/dp/B0F23GYCFW  
   - Learn more: http://lms.syncbricks.com  
   - Contact: amjid@amjidali.com  
   - GitHub & Community Templates: https://syncbricks.com  
   - YouTube Tutorials: https://youtube.com/@syncbricks

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.