Massive Mail
The inbox you deserve.
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The inbox you deserve.
Built on a modern, open-standards stack
A three-pane layout, rich compose, threaded conversations, scheduling, search, and more — all lightning fast.
Classic three-pane layout — folders, message list, and reading pane
Full-featured editor with formatting, attachments, signatures, and template support.
Time your emails perfectly. Pick a date and time or choose a smart suggestion.
Follow entire conversations in one view. Expand, collapse, and reply inline.
Find anything instantly with full-text search across all mailboxes.
Clear read/unread states, flags, and labels help you stay on top of things.
Right-click for quick actions — snooze, print, move, label, and more.
Snooze messages to reappear when you need them. A dedicated folder keeps track.
Pin your most-used searches right in the sidebar for one-click access.
An integrated AI assistant that helps you write better emails faster. Summarize threads, generate replies, adjust tone, translate messages, and more — all without leaving your inbox.
Full-featured calendar with month and week views, event creation, and calendar sharing — integrated right into your mail.
Month view
Week view
Create events with recurrence, reminders, and attendees
Share calendars with colleagues
Manage contacts with rich profiles, groups, and seamless integration with compose autocomplete. Import and export via vCard.
Enterprise-grade email security with end-to-end encryption, authentication verification, HTML sanitization, and external image blocking.
Manage PGP keys, encrypt outgoing messages, and verify signed emails — built right in.
See SPF, DKIM, DMARC, and ARC results at a glance for every message.
Dark mode, custom signatures, email templates, filter rules, vacation responders, folder colors, and keyboard shortcuts — configure every detail.
A gorgeous dark theme that's easy on the eyes, day or night.
Navigate your entire inbox without touching the mouse. Gmail-style shortcuts built in.
Fully responsive design that adapts seamlessly from desktop to tablet to phone. Every feature works perfectly on any device — no native app required.
Massive Mail is built with comprehensive accessibility support, ensuring every user can navigate, read, and manage their email effectively.
Full ARIA landmarks, roles, labels, and live regions. Every interactive element is properly announced.
Complete keyboard support with configurable shortcuts. Navigate, compose, search, and manage emails without a mouse.
Visible focus indicators, skip-to-content links, and logical tab order throughout the interface.
Proper landmark regions (banner, navigation, main, complementary) and semantic elements for assistive technology.
Status updates, toast notifications, and state changes announced via ARIA live regions.
Respects prefers-reduced-motion. High contrast between text and backgrounds in both light and dark themes.