AI-Powered Human-in-the-Loop Email Response System
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This n8n workflow automates incoming email processing, leveraging AI for content summarization and drafting professional replies. A critical human-in-the-loop approval step ensures accuracy and quality control before any email is sent, blending AI efficiency with essential human oversight.
About This Workflow
This n8n workflow provides a sophisticated solution for automating your business email communication while maintaining crucial human oversight. It intelligently monitors an IMAP inbox for new emails, immediately processing their content. The incoming email is first converted to a format suitable for AI, then summarized concisely by an AI model (DeepSeek Chat). Following this, a powerful LangChain AI agent (powered by GPT-4o-mini) drafts a professional, business-oriented email reply, capable of incorporating information from an external knowledge base (e.g., a vector database). Crucially, the workflow includes a human-in-the-loop approval mechanism: the AI-generated draft, alongside the original email, is sent for review to a designated approver. Only upon explicit human approval is the reply sent to the original sender, guaranteeing brand consistency and accuracy in all automated communications.
Key Features
- Automated Email Ingestion: Continuously monitors a specified IMAP inbox for new emails, triggering the workflow automatically.
- Intelligent Email Summarization: Utilizes DeepSeek Chat via LangChain to generate concise and accurate summaries of complex email content.
- AI-Powered Response Generation: Employs a sophisticated LangChain agent powered by GPT-4o-mini to draft professional, context-aware email replies, with the ability to retrieve and integrate business-specific information.
- Human-in-the-Loop Approval System: Ensures quality and control by requiring human review and explicit approval for all AI-generated email responses before they are sent.
- Customizable AI Prompts & Models: Easily configure AI models (DeepSeek Chat, GPT-4o-mini) and customize prompts to tailor summarization and response generation to your specific business needs and tone.
How To Use
- Email Trigger (IMAP): Configure your IMAP credentials. Specify the email account and folder you wish to monitor for new messages.
- Email Summarization Chain: Connect your DeepSeek credentials. Review the summarization prompt to ensure it meets your desired output length and style.
- Write email: Connect your OpenAI credentials (for GPT-4o-mini). Customize the system message to refine the AI agent's personality, tone, and specific instructions for drafting replies.
- Set Email text: No direct configuration needed here; this node captures the AI-generated response.
- Approve Email: Configure your SMTP credentials. Update the
toEmailfield with the email address of the person or team responsible for approving AI-generated replies. - Send Email: This node automatically sends the approved AI-generated response. Ensure your SMTP credentials are correctly linked.
Apps Used
Workflow JSON
{
"id": "48236851-c0b9-4856-ab5e-9606e70879a9",
"name": "AI-Powered Human-in-the-Loop Email Response System",
"nodes": 11,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 48236851-c0b9...
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