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Who is this template for? This workflow template is designed for Marketing and pre-Sales to get prospects from a form like Tally, decline data in the famous opensource CRM (SuiteCRM), synchronize contact in Brevo with linking the id from CRM, and then notify in NextCloud. Bonus : validate email with ++CaptainVerify++ and notify in NextCloud depending on response How it works For each submission in the form, a webhook is triggered. A check of the email is done with CaptainVerify. Depending on the response, and if it is ok, then a Lead is created in SuiteCRM. Else, a message in your selected discussion is sent. As the lead has been created, we can create a contact in Brevo (for future campain), ank link this contact with the lead_id from the CRM in a dedicated field. Finaly, a message in your selected discussion in NextCloud informs you about the lead. Set up instructions Complete the Set up credentials step when you first open the workflow. You'll need a CaptainVerify account (Api Key), a dedicated SuiteCRM user with Oauth, a Brevo account (Api Key) and a Nextcloud account. Set up the Webhook in the form's tool of your choice (why not Tally ?). Set each node with the explanations in sticky Notes. Enjoy ! Template was created in n8n v1.44.1

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 customized for each type Uses SMTP to deliver emails from your domain Enhances Workflow with Automation Marks processed emails as read Applies Gmail labels Adds sender to Brevo contact list Optional AI Chat Integration Uses Google Gemini (PaLM 2) to enhance classification or summarization Tools & Integrations Required Gmail account (OAuth2) LangChain (Text Classifier node) Google Gemini API account SMTP credentials (e.g., Gmail SMTP, Brevo, etc.) Brevo/Sendinblue account and API key Step-by-Step Node Guide 1. Gmail Trigger Polls Gmail every hour for new emails. Filters out internal addresses (e.g., @syncbricks.com). Avoids replying to already-responded emails (Re: subject filter). 2. LangChain Text Classifier Uses AI to categorize the content of the email based on pre-defined categories: Guest Post** Youtube** Udemy Courses** 3. Google Gemini (PaLM) Chat Model (Optional) Provides additional AI support to enhance classification accuracy. Can be used to summarize or enrich the context if needed. 4. Email Send Nodes Each response category has a separate SMTP node with a custom HTML email: Guest Post Inquiry** YouTube Video Inquiry** Udemy Course Inquiry** 5. Gmail: Mark as Read Marks the email so it isn’t processed again. 6. Gmail: Apply Label Adds a label (e.g., Handled by Bot) for organization. 7. Brevo: Create/Update Contact Saves the sender to your CRM for future communication or marketing. Email Templates Included Guest Post Template Includes pricing, website list, submission guidelines, and payment instructions. YouTube Review Template Includes package pricing, review samples, video thumbnails, and inquiry instructions. Step by Step Tutorial AI Automation Mastery More courses: http://lms.syncbricks.com YouTube Channel: https://youtube.com/@syncbricks How to Use Import the template into your n8n instance. Configure your Gmail OAuth2 and SMTP credentials. Set up your LangChain Text Classifier and Google Gemini API credentials. Update label ID in the Gmail node and ensure all custom fields like from.value[0].name match your use case. Run the workflow and watch it respond intelligently to new inquiries. Best Practices Always test with mock emails first. Keep the Google Gemini node optional if you want to reduce cost/API calls. Use Gmail filters to auto-label certain types of emails. Monitor your Brevo contacts to track new leads. Attribution & Support Developed by Amjid Ali This template took extensive time and effort to build. If you find it useful, please consider supporting my work. Buy My Book: Mastering n8n on Amazon Full Courses & Tutorials: http://lms.syncbricks.com Follow Me Online: LinkedIn: https://linkedin.com/in/amjidali Website: https://amjidali.com YouTube: https://youtube.com/@syncbricks