Build an AI email auto-reply
Automatically draft or send smart replies to common incoming emails.
Last updated Jul 29, 2026
★ Recommended workflow
Design → Automate
ChatGPT drafts reply templates for your common email types, then Zapier wires up an automation to draft replies automatically.
- 1ChatGPTFree option
Input: The types of emails you get often and how you usually reply → Output: Reply templates for each common email type
Reply template generator
I often get emails like: [DESCRIBE EMAIL TYPES]. Write a friendly, professional reply template for each type, with placeholders for details that change.
- 2ZapierFree option
Input: The reply templates from Step 1 → Output: An automation that drafts replies for matching emails
Auto-reply automation checklist
Create a Zap triggered by new email matching [YOUR CRITERIA], add an AI step to pick the right template and fill in details, then create a draft reply (don't auto-send at first).
FAQ
Should I let it send automatically?
Start with draft-only mode so you can review replies, then switch to auto-send once you trust the output.
Will it handle unusual emails well?
Set clear matching criteria so only routine emails get auto-drafted — route anything else to your inbox as normal.