AutoMail Agent – AI Email Drafting for Fastmail with OpenAI + n8n
Boost your email productivity with AutoMail Agent, a plug-and-play automation workflow built for Fastmail users. This ready-to-import n8n workflow uses OpenAI's GPT-4 to intelligently draft responses to new emails and saves them in your Drafts folder—so you never start from a blank page again.
📨 AutoMail Agent – AI Email Reply Generator for Fastmail (n8n + GPT-4)
Automate your inbox and never start from a blank email again.
This powerful plug-and-play n8n workflow uses OpenAI’s GPT-4 to generate personalized, professional, or casual email replies based on incoming emails — and automatically saves them as drafts in your Fastmail inbox.
🔥 What This Does
- ⏱ Monitors your Fastmail inbox via IMAP
- 🧠 Uses GPT-4 to understand and respond to emails with the correct tone (formal/informal, English or German)
- 📬 Saves reply drafts to your Fastmail “Drafts” folder
- 🧩 Fully customizable with n8n’s visual workflow editor
🎁 What You’ll Get
- ✅ Complete
.jsonworkflow for n8n (import-ready) - ✅ Step-by-step Setup Guide (PDF)
- ✅ Tested GPT-4 Prompt for Natural Replies
- ✅ Bonus Tips for Customizing or Extending with Other Tools
🛠 Requirements
To make this work, you’ll need:
- A Fastmail account with JMAP API enabled
- An OpenAI API Key (GPT-4 or GPT-4o)
- Access to n8n (Cloud or Self-hosted)
- 15 minutes of setup time (guided)
💡 Why You'll Love It
- 💬 Stop wasting time writing repetitive replies
- 🧠 Impress clients with fast, thoughtful responses
- 🔧 Customize the workflow to fit your style or business
- 💤 Let your inbox work for you—even when you’re not online
👀 Preview Use Case
Imagine receiving this email:
Hi, are you still offering consulting this quarter? Let me know what times work for a quick chat.
AutoMail Agent will auto-draft a reply like:
Hi [Name], thanks for reaching out! Yes, I'm available this quarter. Let me know your preferred times and we’ll schedule something soon. Looking forward!
🚀 Get Started Instantly
Buy now, download the file, import into n8n, and connect your Fastmail + OpenAI credentials. That’s it. Inbox automation—done.