Maillifier

C tier on AI Email AssistantsScore 6.5· #16of 46

Free plan: Yes
Runs on: self-hosted, Web

maillifier.com

Summary

Maillifier is ranked #16 of 46 in AI email assistants on Everything Xiaomi. It runs on Self-hosted, Web. There is a free plan. A free trial is offered.

Maillifier plans and pricing

All plans

Free Free Open-source Google Apps Script project; requires your own Google account with Gmail access and Gemini API key maillifier.com · 8 Oct 2026

Compared on AI email assistants

Free plan: Yesmaillifier.com
Inbox triage: Yesmaillifier.com
AI reply drafting: Yesmaillifier.com
Automatic sending: Nomaillifier.com
Email platforms: gmailmaillifier.com

Facts

Purpose: Maillifier processes emails forwarded to a dedicated Gmail account and generates AI-drafted replies using Google Gemini.github.com · 8 Oct 2026
Processing time: The maker says forwarded emails typically receive an AI-drafted reply within 1–5 minutes.github.com · 8 Oct 2026
Personalization: Users can set personal rules for future drafts with the #SET_USER_PROMPT email command.github.com · 8 Oct 2026
Knowledge base: Users can add company information and tone guidelines to a Google Doc used as the Knowledge Base.github.com · 8 Oct 2026
Access control: An administrator can whitelist users and add or remove their access through email commands.github.com · 8 Oct 2026
Attachments: The home page lists support for PDF, DOCX, XLSX, and CSV attachments, charts, and more.maillifier.com · 8 Oct 2026
Language detection: The home page says Maillifier detects the sender’s language and replies in that language.maillifier.com · 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 · 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 · 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 · 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 · 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 · 8 Oct 2026
Support: The maker provides support at [email protected] and accepts questions or issues through its GitHub repository.github.com · 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 · 8 Oct 2026