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Maillifier

Plans and prices

Free

Free

Open-source Google Apps Script project; requires your own Google account with Gmail access and Gemini API key

Every plan, in full

On the record

Access control
An administrator can whitelist users and add or remove their access through email commands.github.com · read 8 Oct 2026
Attachments
The home page lists support for PDF, DOCX, XLSX, and CSV attachments, charts, and more.maillifier.com · read 8 Oct 2026
Data location
The maker says the installed script processes data within the user's Google account and sends email content to Google's Gemini API for AI processing.maillifier.com · read 8 Oct 2026
Email retention
The privacy policy says processed emails are permanently deleted after a response is generated under its Zero-Log architecture.maillifier.com · read 8 Oct 2026
Integrations
The installed script uses Google Apps Script, Gmail, Google Drive, Google Docs, Google Sheets, and the Google Gemini API.github.com · read 8 Oct 2026
Knowledge base
Users can add company information and tone guidelines to a Google Doc used as the Knowledge Base.github.com · read 8 Oct 2026
Language detection
The home page says Maillifier detects the sender’s language and replies in that language.maillifier.com · read 8 Oct 2026
Notable limits
The repository troubleshooting section says Gemini API free-tier rate limits may be exceeded, in which case users can wait or set up Google Cloud billing.github.com · read 8 Oct 2026
Personalization
Users can set personal rules for future drafts with the #SET_USER_PROMPT email command.github.com · read 8 Oct 2026
Processing time
The maker says forwarded emails typically receive an AI-drafted reply within 1–5 minutes.github.com · read 8 Oct 2026
Purpose
Maillifier processes emails forwarded to a dedicated Gmail account and generates AI-drafted replies using Google Gemini.github.com · read 8 Oct 2026
Security
The privacy policy lists split-scope installation, HTTPS/TLS communication, encrypted-by-Google Script Properties for Gemini API keys, whitelist access control, and publicly auditable source code.maillifier.com · read 8 Oct 2026
Setup requirements
The terms require a Google account with Gmail access, and users are responsible for obtaining and managing their own Gemini API key.maillifier.com · read 8 Oct 2026
Support
The maker provides support at [email protected] and accepts questions or issues through its GitHub repository.github.com · read 8 Oct 2026

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