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The Email Reply Drafter agent automatically analyzes incoming emails and generates professional, context-aware draft replies using AI. This workflow integrates with Gmail and OpenAI GPT models, saving you time and ensuring high-quality communication.

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Overview

The Email Reply Drafter is designed to:
  • Monitor your Gmail inbox for new incoming emails.
  • Classify whether the email requires a reply.
  • Generate a contextually accurate and professional draft response based on the entire conversation thread.
  • Save the response as a Gmail draft, ready for manual review and sending.
This agent reduces manual effort in handling repetitive email responses, ensuring timely and consistent communication.

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Real-Time Use Cases

  • Customer Support Teams – Auto-generate responses for frequently asked customer queries, reducing average response time.
  • Sales and Lead Management – Draft professional follow-up emails for inbound leads to maintain engagement.
  • Internal Communications – Handle high volumes of repetitive requests (e.g., meeting confirmations, document sharing).
  • Freelancers and Consultants – Save time on drafting replies to inquiries while maintaining a professional tone.

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QuickStart

This section will guide you through setting up the Email Reply Drafter from scratch, even if you’re a beginner.

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Prerequisites

Before you start, make sure you have:
  • An Activepieces account (Sign up here: https://activepieces.com)
  • A Gmail account that you will connect to the agent
  • Access to Google Workspace API permissions (Activepieces will request these during setup)
  • An OpenAI account (Sign up here) with an API key to use GPT models
  • Basic knowledge of email handling (optional but helpful)

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Setup Instructions

Follow these steps carefully:

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Step 1 – Log in to Activepieces

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Step 2 – Import the Email Reply Drafter Agent

  • Navigate to the Templates section from the left menu.
  • Search for Email Reply Drafter.
  • Click Use Template to import it into your workspace.

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Step 3 – Connect Gmail

  1. When prompted to connect Gmail:
    • Click Connect New Account.
    • A Google login window will appear; choose the Gmail account you want to use.
    • Grant the requested permissions (reading emails, creating drafts).
    • Once authorized, you’ll see the Gmail connection listed as active.
Tip: If you encounter permission issues, ensure:
  • You are logged in to the correct Google account.
  • “Less secure app access” or API access is allowed (Google security settings).

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Step 4 – Connect OpenAI

  1. Select OpenAI in the connections list.
  2. Click Connect New Account.
  3. Enter your OpenAI API key.
  4. Save the connection.

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Step 5 – Review and Customize Settings

  • Open the agent workflow steps.
  • Optionally, adjust:
    • Email classification rules (if you want stricter or looser conditions).
    • AI tone settings (modify temperature or prompt style for more/less creative replies).

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Step 6 – Activate the Agent

  • Once both Gmail and OpenAI connections are active, click Start/Enable Agent.
  • The bot will begin monitoring your inbox for new emails and automatically draft replies.

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What Happens Next

  • When a new email arrives:
    1. The agent checks if a reply is needed.
    2. If yes, it drafts a professional response.
    3. You’ll find the draft in your Gmail → Drafts folder, ready for manual review and sending.

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Conclusion

The Email Reply Drafter is a powerful AI-based automation tool that helps professionals manage email responses efficiently. By leveraging Gmail and OpenAI GPT models, it reduces manual effort, improves response quality, and ensures timely communication.