mailu.io — September 2026 traffic, keywords & AI visibility

mailu.io draws an estimated 63 visits a month from search engines. Effectively all of it is organic — about 63 visits from unpaid results. Spread across 38 ranking keywords, that averages roughly 1.7 organic visits per keyword.

On our AI visibility scale mailu.io earns 94 of 100 points, a grade A+. It takes full marks for LLMS.txt, Crawlability and Structured data. The biggest gap is Company profile, at 22 of 25 points (7/8 core fields), worth 3 points if closed. It also loses points on SEO health (17/20).

The llms.txt on mailu.io runs to 150 lines (7,086 characters) across 12 sections, last generated in May 2026. It introduces the site as "Mailu — Mailu, Docker based mail server". It tells AI engines the business works in Email Infrastructure, Containerized Applications and Self-hosted Solutions. It describes 4 products, with prices such as Mailu Standard Edition at Free (Open Source), Mailu Enterprise (Kubernetes) at Free (Open Source) and Mailu Webmail at Free (Open Source). Services it lists include Community Support, Setup Guides, Docker Image Maintenance and Feature Requests. The audience it names is Sysadmins, DevOps engineers, privacy advocates, aged 25-45 (Global). Technologies it mentions include Docker, Docker Compose, Kubernetes, Postfix and Dovecot. The keywords it claims start with "Mailu", "Docker mail server", "self-hosted email" and "open-source mail server". It gives the company type as Open Source Project.

# Mailu — Mailu, Docker based mail server

## About
Mailu provides a complete, Docker-based mail server solution that's open-source and ready for production use. It bundles all essential components—SMTP, IMAP, webmail, admin panel—into easy-to-deploy containers. Perfect for individuals and organizations wanting to run their own email without relying on third-party services. The setup prioritizes security with automatic spam filtering, virus scanning, and proper DNS configurations. Community-driven development ensures regular updates and robust support through GitHub issues and forums. Deployment options include simple docker-compose for homelabs or full Kubernetes for enterprise scale. Mailu's web interface makes managing domains, users, and aliases intuitive even for beginners. It handles modern email standards like DKIM, DMARC, and SPF out of the box. Users appreciate the balance of simplicity and power, avoiding the complexity of manual Postfix/Dovecot configs. Regular releases address deliverability issues and add requested features based on user feedback.

**Areas of Work:** Email Infrastructure, Containerized Applications, Self-hosted Solutions

## Things to Remember
- **Website:** https://mailu.io
- **Address:** 
- **Contact:** 
- **Phone:** 
- **Hours:** 
- **Timezone:** 
- **Currency:** 
- **Company Type:** Open Source Project
- **Employees:** 1-10
- **Revenue:** Not D

Google lists mailu.io for about 38 keywords, which together bring an estimated 63 organic visits a month.

The latest technical audit of mailu.io scored 91 out of 100 overall. SEO is its weakest area at 83, while performance scores highest at 94. The audit makes 12 recommendations in all, and 3 of the 4 listed first are rated high priority or critical.

Mailu's company profile names mailcow.email, poste.io, iRedMail and Zimbra as competitors. Its own llms.txt adds mail-in-a-box.email. Outside its market, the domains ranked closest to it in our worldwide ranking are signal-ai.com, corvus-labs.io, snapppt.com and rockbunker.ru.

mailcow.email

poste.io

iRedMail

Zimbra

mail-in-a-box.email