MailOS 2.6

The Operating System for
Business Communication.

Email. Marketing. AI. Collaboration. Workflow.
Everything your business needs — unified under one platform.

Free Consultation

No login required    Full feature access    No data is saved

25+
Features
5
AI Reply Styles
11
Business Templates
0
Initial Cost

Preview All Features

Email, AI, Chat, Task Management, Workflow, Marketing ...

MailOS Inbox
AI Reply Generation
AI Document Composer
Rich Email Editor
Kanban Task Board
Gantt Chart Project View
Team Chat
Workflow Approval
Marketing Campaign Builder
Step Email Automation
Address Book
Email Filter Rules
MailOS Inbox
AI Reply Generation
AI Document Composer
Rich Email Editor
Kanban Task Board
Gantt Chart Project View
Team Chat
Workflow Approval
Marketing Campaign Builder
Step Email Automation
Address Book
Email Filter Rules
Two-Factor Authentication
Signature Manager
Business Card Scanner
Marketing List Management
Email Template Builder
Trigger Email Settings
AI Analytics Dashboard
Pricing Plans
Folder Management
Memo Pad
Document Editor (Collabora)
Google Calendar Integration
Two-Factor Authentication
Signature Manager
Business Card Scanner
Marketing List Management
Email Template Builder
Trigger Email Settings
AI Analytics Dashboard
Pricing Plans
Folder Management
Memo Pad
Document Editor (Collabora)
Google Calendar Integration

All-in-One

Beyond email — a unified business platform

AI Reply & Document Creation

AI reads incoming emails and auto-generates replies in 5 styles. Create documents from 11 business templates with one click.

Task & Project Management

Create tasks directly from emails. Gantt charts, progress tracking, member assignment. Unified email and task management.

Internal Chat

Real-time chat integrated within the email client. Supports DM, groups, and file sharing.

Workflow Approval

Complete approval processes within email. Multi-step approval routes, return, rejection. Fully customizable request types.

Email Marketing

Built-in list management, builder, campaign delivery, step emails, trigger emails, and open/click tracking.

Security

Two-factor auth, away lock, IP blocking, one-click login URL. Enterprise-grade security built in.

Google Calendar & Meet

Real-time sync with Google Calendar. Create events, schedule Google Meet — all from your email screen.

iOS App

Native app optimized for iPhone & iPad. Push notifications and Face ID for seamless email on the go.

Android App

Native app for Android phones & tablets. Push notifications and fingerprint auth for access anywhere.

Built on Patent-Pending Technology

Not just another email client. A new communication infrastructure.

MMS1D Technology Patent Pending: JP 2025-110832

World's first system enabling multiple mail servers under a single domain. Seamlessly run Google Workspace and your own servers simultaneously.

1DTN Trust Network Default CLOSED Architecture

DNS-based mutual trust authentication between domains. Spam is blocked before delivery — by default. Unknown senders receive "550 User not found."

BlackBOX Encryption AES-256-GCM Protected

All mail configurations encrypted with AES-256-GCM. Zero plaintext exposure at the infrastructure level. Invisible to reconnaissance tools like Hunter.io.

Laragon AI Engine AI-Native Security

AI-powered threat detection running as an Rspamd plugin. Stealth rejection, quarantine, and real-time analysis of every incoming message.

DKIM: pass SPF: pass DMARC: pass 95% Spam Reduction <1ms Trust Verification

FAQ

What is MailOS?
MailOS is a business communication platform that unifies AI reply generation, task management, team chat, workflow approvals, and email marketing into a single interface. With 25+ built-in features, it eliminates context switching and consolidates your team's tools into one login.
Can I try the demo for free?
Yes! No registration required — try all features with one click. Data is not saved as it is a demo environment, but you can fully explore every feature.
What AI features are available?
AI analyzes incoming emails and auto-generates replies in 5 styles: Polite, Casual, Business, Concise, and Detailed. You can also create documents using 11 business templates.
Is there an initial setup fee?
No initial fee. Start with a monthly plan and add features via add-ons as needed.
Can it integrate with Gmail and Google Workspace?
Yes, you can add Gmail accounts via Google OAuth, sync Google Calendar, and schedule Google Meet — all from one unified interface.

Try All Features Now

Free Consultation

No registration required    Actions are limited to the demo environment